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7. Calculate the number of grams NaCl produced by the complete reaction of, 520 g Cl2. 14. How many grams of Al2O3 are produced? Zn    +    2HCl    →   H2    +     ZnCl2. Calculate the molarity of the solution. 0.250 L      x        0.200 mole     =     0.0500 moles. NaOH(aq)      +        ZnCl2(aq)       →      Zn(OH)2(s)    +       2NaCl(aq), 0.0200 L ZnCl2  x   0.184 mole   x  1 mole Zn(OH)2  x   99.42 g        =          0.366 g Zn(OH)2, 1 L               1 mole ZnCl2         1 mole. Calculate the molarity of the solution. Directly related to the amount of light received by the de Please help! Zn(s)  +      2AgNO3(aq)     →       2Ag(s)           +        Zn(NO3)2(aq), Zn(s)  +      2Ag+    +        2NO3-     →  2Ag(s)           +        Zn2+             +          2NO3-, Zn(s)  +      2Ag+         →  2Ag(s)           +        Zn2+, 23. A burette filled with 2.557 M sodium hydroxide solution reads 15.62 mL initially. The chemical laboratory is a place where you can perform in actual the different reactions that you had learnt in the books or heard in lectures. Calculate the mass of CuSO4.6H2O required to prepare 200.0 mL of 0.300 M solution. 100. g Al reacts with excess O2 to produce 150. g Al2O3 according to. 6. Get high-quality papers at affordable prices. Ion Concentration, 10. H2SO4         +        2NaOH       →      Na2SO4       +        2HOH, 0.250 L NaOH  x  0.250 mole  x  1 mole H2SO4    x        1 L     x        1000 mL          =        156 mL, 1 L          2 mole NaOH            0.200 mole            1 L. 9. How many moles of BaCl2 are in 250.0 mL of a 0.200 M solution? In a titration 0.250 M KOH is used to neutralize 25.0 mL of H3PO4. Molarity      =                                      303.76 g                =        0.519 M. 1. Calculate the molar mass of a gas that weighs 19.43 g and has a STP volume of 9.894 L. If the gas is a very funny one containing nitrogen and used by the dentist, determine the. M1(220.0)             =        (0.0500)(470.0), M1                         =        0.107 M. 5. What is the    [phosphoric acid]? Calculate the concentration of the base ? Calculate the number of formula units of KCl in 100.0 mL of 0.200 M solution. 6. 18. 10. 16. H3PO4         +        3NaOH       ®      Na3PO4       +        3HOH, 0.0255 L NaOH    x        0.200 mole     x     1 mole H3PO4       x        1 L                  =        0.00680 L, 1 L                         3 mole NaOH                 0.250 mole. Calculate the number of grams CaCl2 in 350. mL of a 0.250M solution. 22. 88.3 g   x   1 mol       x    6.02 x 1023 FU      x        3 atoms O   =        9.39 x  1023 atoms O, 169.9 g                        1 mol                 1 FU. 16. 1. How many litres of O2 gas are required to produce 100. g Al2O3? Molarity      =                                      58.5 g (3sig figs)                    =        10.3 M. 4. 8. Calculate the percentage composition of MgSO4. 64.5 L of HCl gas at STP are dissolved in water to produce an acid           solution. 1.50 g of NaCl is dissolved in 100.0 mL of water. Calculate the volume of 0.250 M H2SO4 required to neutralize 20.0 mL of 0.100 M NaOH. 3AgNO3(aq)    +    Na3PO4(aq)     →    Ag3PO4(s)      +     3NaNO3(aq). The [SO42-]   =  0.600 M in 100.0 mL of a Al2(SO4)3 solution. 10. After titrating a. Volume of 0.200 M NaOH         25.3 mL       25.8 mL       25.6 mL. Calculate the volume of 0.30 M AlCl3 solution that contains 6.00 g of AlCl3. 7. 6. 5. Write a balanced formula equation, complete ionic equation, and net ionic equation for each reaction. 14. The solution is blue. 8 g H2          ,         2.9 x 102 g H2O. If 1.78 L of 0.420 M barium fluoride solution is added to 2.56 L of water, what is the resulting, M1V1 = M2V2                                                          BaF2          →         Ba2+             +          2F-, (0.420)(1.78) = M2 (4.34)                   0.172 M                0.172 M                0.345 M. 10. What is the concentration of each ion in the solution formed when 94.5 g of nickel (III) sulphate is dissolved into 850.0 mL of water? How many grams of 02 are required to consume 56.3 g Al? H2SO4                   +                  2XOH       →, 0.2500 L  x  0.100 mole                      0.1000 L   x  0.400 mole        +     0.2000 L   x  0.200 mole, 1 L                                                         1L                                                            1L, I         0.0250 mole                              0.0800 mole, C       0.0250 mole                               0.0500 mole, E        0                                               0.0300 mole, [NaOH]       =        0.0300 mole                    =        0.0545 M. 37. 19. 4. 18. 9.894 L        x        1 mole         =        0.4417 mole, Molar Mass          =        19.43 g                            =        44.0 g/mole           N2O. Calculate the [NaOH] due to excess NaOH in the new solution produced by mixing 100. mL, HCL            +                  NaOH         →      NaCl      +                  HOH, 0.100L   x   0.200 mole  =   0.0200 mol         0.100L x 0.300 mol  =   .030 mole, 1 L                                                         1 L, I                                    0.0200 mole                    0.0300 mole, C                                  0.0200 mole                    0.0200 mole, E                                   0  mole                            0.0100 mole, Total Volume = 200 mL = 0.200 L           Molarity     =         0.0100 mole           =  0.0500 M. 11. How many litres of O2 gas are required to produce 100. g Al2O3? M1V1 = M2V2                                                        CaF2           →                Ca2+              +        2F-, (0.960) (3.78) = M2 (10.14)                0.358 M                          0.358 M                    0.716 M. 4. How many grams of Al2O3 are produced? 0.100 L        x        0.200 mol    x        6.02 x 1023 FU       =        1.20 x 1022 FU. More Study Questions; Answers. 100.0 mL of 0.200 M HCl, 200.0 mL of 0.100 M HBr, and 175 mL of 0.100 M Ba(OH)2. E                  0                                                0.020                               Note the loss of one sig fig! Calculate the theoretical and percentage yield. Study Questions; Answers. 9. How many moles of Al2O3 are produced by the reaction 200. g Al? V2      =        50.0 mL  +  150.0 mL       =        200.0, (0.025)(50.0)         =        M2 (200.0). SCH3U Exam Review with Answers LONG 19. Calculate the volume of H2 gas produced at STP by the reaction of 300. mL of 0.500 M HCl with excess Zn. How many grams of silver nitrate must be used in the preparation of 150. mL of 0.125 M solution. Calculate the volume of H2 gas produced at STP by the reaction of 250.0 mL of 0.600 M HCl with excess Zn. Calculate the empirical and molecular formula. A2 Buffers - definition, formulation and action. To introduce the lab the class will first review the collision theory of chemical reactions. Chemistry 11 Calculations Practice Test # 2. If 3.78 L of 0.960 M calcium fluoride solution is added to 6.36 L of water, what is the resulting concentration of each ion? Calculate the volume of 0.500 M NaCl solution required to contain, 14. What volume of 0.924 M Na2SO3 is required for the production of 350.0 mL of SO2 at STP? 29. 5. 23. Calculate the volume of 0.50 M KCl solution that contains 3.00 g of KCl. Na2SO3(aq)    +        2NaOH(aq)     →      2NaCl(aq)    +          H2O(l) +     SO2(g). 0.150L   x   0.200 mole   x    143.4 g       =    4.30 g. 7. How many moles of NaCl are in 500.0 mL of a 0.300 M solution? Read the instruction page and then click "Play Now.". Hydrochloric acid was added from a burette until there was a green color (endpoint had been reached). Calculate the amount of excess reactant. Calculate the mass of KCl required to prepare 250.0 mL of 0.250 M solution. 250 mL of water is added to 100 mL of 0.0200M H2SO4. 2Al(s)  +        6NaOH(aq)    →        2Na3AlO3(aq)            +         3H2(g). Calculate the volume of 0.250 M H3PO4 that contains 0.250 g H2SO4. 150.0 g of NaCl is dissolved in 250.0 mL of water, calculate the molarity. 200.0 mL of 0.200 M H2SO4 reacts with 250.0 mL of 0.40 M NaOH, calculate the concentration of the excess base. Calculate the volume of H2 gas produced at STP by the reaction of 150.0 mL of 0.500 M HCl with excess Zn. Calculate the mass of NaCl required to prepare 500.0 mL of a 0.500 M solution. 1.5 g of BaCl2 is dissolved in 100.0 mL of water. Titrations Worksheet # 5 . The following data was obtained during the titration of 2.0554 M hydrochloric acid with a 25.00 mL aliquot of barium hydroxide: Burette Final Reading                  22.92 mL                25.32 mL                41.30 mL, Burette Initial Reading               0.06 mL                 2.58 mL                 18.54 mL, Vol. If 6.25 L of 0.560 M sodium bromide solution is added to 3.45 L of water, what is the resulting, M1V1 = M2V2                                         NaBr           →                    Na  +         +            Br -, (0.560) (6.25) = M2 (9.70)        0.361 M                              0.361 M                0.361 M. 7. From the Chem Team: Worksheet of mass mole conversions Answers to Worksheet of mass mole conversions . The first letter of each word in the following statement is the 1st letter of each of the 10 alkanes in order. 1. Calculate the mass of NaCl required to prepare 360.0 mL of a 0.35 M solution. 1. In three runs, the following data was collected. Remember that acid base neutralization Five Types of Chemical Reaction Worksheet Answers. Calculate the empirical and molecular formula. Lesson             Day                  Date                 Topic, 1. 0.100 L        x        0.100 mole            x        249.7 g        =        2.50 g, 1 L                                   1 mole. Use the Worksheet tab of the Gizmo to calculate each analyte concentration. In three runs, the following data was collected. Calculate the mass of CoCl3.8H2O required to prepare 300.0 mL of a 0.520 M solution. Na3PO4              →            3Na+           +        PO43-, 0.150 M                          0.450 M                 0.150 M, Worksheet # 12   Chemistry 11 Calculations Practice Test # 1. 21. From Lee Marek's web site, here's a way to remember the hydrocarbon prefixes. Put answers on a. 0.0250 L NaOH    x        0.300 mole    x      1 moles H2SO4      x        1 L             =    0.0188 L, 1 L                        2 NaOH                           0.200 mole. Cheap essay writing sercice. Determine the mass of the reactant in excess and the limiting reactant. Calculate the volume of 0.250 M H2SO4 that contains 0.250 g H2SO4. 8. 28. 13. KJ. Calculate the volume of 0.250 M NaCl solution required to contain, 0.0300 g NaCl       x        1 mole         x        1 L               =        0.00205 L. 7. Atomic Structure and Periodicity. Na3PO4             →      3 Na+           +        PO43-, 50.0          0.200 M                     0.150 M                0.0500 M, Na2PO4             →      2 Na+           +        CO32-, 150.0       0.400 M                      0.600 M                   0.300 M, 8. 10. 0.350 L HCl          x        0.600 mol    x        1 mol H2      x        22.4 L          =        2.35 L, L                        2 mol HCl             1 mol. What volume of 0.200 M H2SO4 is required to neutralize 25.0 mL of 0.300 M NaOH? Lesson Summary. Molarity      =                                      58.5 g                    =        1.69 M. 10. Which element in the n 4 13a. Calculate the volume of H2 gas produced at STP by the reaction of 400.0 mL of  0.800 M HCl with excess Zn. How many litres of 0.200 M AgCl are needed to provide 50 g of AgCl? Calculate the volume of 0.450 M H2SO4 required to neutralize 25.0 mL of, 0.025 L NaOH      x        0.200 mol    x        1 mol H2SO4              x           L                  =        0.00556 L, L                        2 mol NaOH                   0.450 mol. 26. Practice: Perform the following titrations and determine the concentrations of the following solutions. 9. Click the Names button to go from the formula to the name. Initial Burette Reading                         2.90              15.70            28.70, Final Burette Reading                           15.70            28.70            42.70, 5. Calculate the molarity. 25.2 g of CuSO4.6H2O is dissolved in 28.0 mL of water, calculate the molarity. Quizlet: An MIT freshman created a great tool for making online flashcards and using them to quiz yourself (and your friends). 56.0 mL of 0.100 M HCl reacts with 0.250 M Ba (OH) 2, calculate the volume of base required to completely neutralize the acid. In a titration 0.200 M NaOH is used to neutralize 10.0 mL of H2SO4. 95.0 mL of a solution of NaOH is diluted to a final volume of 135 mL and the new molarity is 0.0500 M. Calculate the   original molarity of the base. 4. Reactions in Aqueous Solutions. Some answers will be used more than once. How many grams O2 are required to consume 56.3 g Al? 19. 4Al  +  302   →      2 Al2O3. 39.22  -  15.62   =  23.60 mL  =  0.02360 L, 3NaOH       +        H3PO4                   →      Na3PO4       +        3H2O, 0.02360 L NaOH  x  2.557 mole  x   1 mole H3PO4, Molarity      =                                                1 L             3 mole NaOH                 =        0.8046 M. 5. 16. 2 Na            46.0 g                              % Na                    =        32.4 %, 1 S               32.1 g                              % S                       =        22.6 %, 4 O              64.0 g                              % O                      =        45.0 %. 5. The [Cl-]    =  0.600 M in 100.0 mL of a AlCl3 solution. 9. 1. So, therefore, this soil is 2300 ppm of arsenic. 2H2       +        O2     →         2H2O   +   130. Convert 250. g AgNO3 to formula units and then to atoms of O. 1. 125.0 g of an aqueous compound that is 3.091 % H, 31.62  % P, and 65.29 % O reacts with another compound that is 80.14 % Ba, 18.68 % O, and 1.179 % H. If the actual yield of the solid product is 350. g, calculate the percentage yield of the solid. A2 Case studies of buffer function Analytical Chemistry 7e by Gary D. Christian 8. KJ. With Solution Essays, you can get high-quality essays at a lower price. Which has the largest first ionization energy nitrogen or fluorine b. Worksheet of Problems from the ChemTeam on density, mass percent, molality and molarity. Calculate the mass of KCl required to prepare 125 mL of 0.450 M solution. 40.6g of KBr is dissolved in 500.0 mL of water, calculate the molarity. What volume of 0.200 M Ca    (OH) 2 will this solution neutralize? 0.1000 L  x  0.100 mole            0.050 L  x  0.20 mole, I                   0.0100 mole                              0.010 mole, C                 0.0050 mole                              0.010 mole, E                  0.0050 mole                              0, [H2SO4]       =        0.0050 mole          =        0.033 M, Note that the final volume is 100.0 + 50.0 mL. Calculate the mass of 2.35 x 1020  molecules of CO2. Worksheet Template 4 6 Using Congruent Triangles Cpctc from Triangle Congruence Worksheet Answers , source: maveno. A compound is 42.3 % C, 5.94 % H, 32.9 % N, and and18.8 % O and has a molecular mass of 850.5g/mol. 2HCl           +        Ba(OH)2     →      BaCl2          +        2HOH, 25.4 L HCl  x        1 mole         x        1mole Ba (OH) 2   x            1L            =       2.83 L, 22.4 L                    2 mole HCl                      0.200 mol. Calculate the volume of 0.400 M H2SO4 required to neutralize 25.0 mL of 0.200 M NaOH. 0.52 g NaCl x        1 mole                   x        1 L                         =        0.018 L, 58.5 g                              0.500 mole. 15. 2Na3PO4 (aq) + 3Ca(NO3) 2 (aq) → Ca3 (PO4) 2 (s) + 6NaNO3 (aq), Na+ (aq) + 2PO43- (aq) +3Ca2+ (aq) + 6NO3- (aq) → Ca3 (PO4) 2 (s) + 6Na+ (aq)+ 6NO3- (aq), 3Ca2+ (aq) + 2PO43- (aq) → Ca3 (PO4) 2 (s). Titrations Lab 2      Homework WS # 5, 6. H2SO4                   +                  2NaOH                 →      Na2SO4          +        2HOH, 0.2000 L  x  0.200 mole            0.250 L  x  0.40 mole, 1 L                                             1 L, I                   0.0400 mole                              0.100 mole, C                 0.0400 mole                              0.0800 mole. 33. 2. 85.0 mL of a solution of NaOH is diluted to a final volume of 290.0 mL and the new molarity is 0.0500 M. Calculate the original molarity of the base. Let's take a moment to review what we've learned about parts per million's definition and calculation. 9. 8. 4. Write the formula, complete, and net ionic equation for each. 20.0 mL of 0.200 M NaOH solution is diluted to a final volume of 100.0 mL, calculate the new concentration. How many millilitres of 1.09 M HCl are required to react with a solution formed by dissolving 0.775 g of sodium        carbonate? 9. 7. 12. 84.0 g of Al reacts with 122g O2 to produce Al2O3. Start by writing an equation. 1. 100.0 mL of 0.100 M H2SO4 reacts with 50.0 mL of 0.20 M NaOH, calculate the concentration of the excess acid. 1. 12. Stoichiometry, 4. In a titration 22.5 mL of 0.100 M HCl ia required to neutralize 20.0 mL of Ba(OH)2 . 3. 2. 4. Determine the mass of Na3PO4 in the solution. 2. In a titration 12.5 mL of 0.200 M NaOH ia required to neutralize 10.0 mL of H2SO4. How many grams of Al2O3 are produced? Calculate the concentration of the acid. Calculate the energy produced by the complete reaction of 150. g H2. How many grams of AgCl are required to prepare 150 mL of 0.200 M solution? 10. 31. NaCl(aq)     +    ZnF2(aq)                    →. How many milliliters of hydrogen at   STP  can be generated by 500.0 mL 6.2 M NaOH completely reacting with excess Al. The “Correct Response” columns are provided for you to mark those questions for which you chose the correct answer. 56.3 g of CuSO4.8H2O is dissolved in 30. mL of water, calculate the molarity. Calculate the concentration of the excess acid or base. All Practice Problems provided include Answers, Practice Problems: Conversion Factors; Answers, Practice Problems: Classification of Matter; Answers, Go to the bottom of this page for links to worksheets on Significant Figures, Scientific Notation and Metric Conversions from the ChemTeam, Practice Problems: Naming compounds from formula and vice versa; Answers, Practice Finding Name and Formula with Answers, Practice Problems: Periodic Table and simple ionic compounds; Answers. 4 Al                        +                            3O2              →                2Al2O3, 84.0 g          x        1 mol                               122g  x        1mol, 27.0 g                                                 32.0 g, I         3.111 mol                                            3.813 mol                                  0, C       3.111 mol                                            2.333 mol                                  1.556, E        0                                                          1.48   mol                                1.556, Limiting                                                        47.4 g O2 excess                        159 g. 19. Calculate the volume of 0.500 M NaCl solution required to contain 0.52 g of NaCl. 13. I recommend starting with the Video Tour. With your fun and explanatory videos, relevant practice questions and helpful colour-coded multiple choice questions for each lesson (at SUCH an affordable price) I managed to get two 9s at GCSE for Combined Science last year. the questions. 9. Na2CO3(aq)    +        2HCl(aq)        →      2NaCl(aq)     +     H2O(l)     +     CO2(g), 0.775 g Na2CO3      x      1 mole  x   2 mole HCl        x      1 L     x        1000 mL          =  13.4 mL, 106 g       1 mole Na2CO3         1.09 moles             1 L. 3. Practice Problems: Percent composition and empirical formula; Answers, Practice Problems: Stoichiometry; Answers, Practice Problems: Writing and classifying equations; Answers, From the Chem Team: Worksheet of mass mole conversions 3. 5. Calculate the mass of NaCl required to prepare 256 mL of a 0.35 M solution. 13. 23. 15.2 g of Al reacts with 14.3 g O2 to produce Al2O3. If the chloride concentration in 2.00 L of solution is 0.0900 M, calculate the [Al3+] and the molarity of the AlCl3 solution. What volume of 1.146 M KOH is needed to fully titrate 20.8 mL of 0.557 M H2SO4 solution ? 5. 34. 15.8 g of KCl is dissolved in 225 mL of water. Calculate the weight of H2C2O4.2H2O required to make 750.0 mL of a 0.480 M solution. Interactive quizzes: click the box for electrons H2SO4 required to prepare 200.0 of... Adding 250.0 mL of water, calculate the volume of 0.500 M HCl reacts excess! Is 60.0 g of Al reacts with 200.0 mL of 0.320 M H2SO4 is required to prepare 500.0 of... ] and [ Cl- ] = 0.600 M HCl with excess O2 to produce an acid solution concentration. H3Po4, calculate the concentration of the excess base of 150. g Al2O3 according to x... 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Of 150.0 mL of 0.184 M ZnCl2, calculate the molarity a 0.300 M KCl solution 0.350. 65.5 mL of water, calculate the concentration of the barium hydroxide lead is 60.0 g of reacts. 4.30 g. 7 Acid-base indicator theory, pH and pOH, strong and weak acids and.! The following statement is the concentration of each ion in a 250.0 mL of 0.200 M NaOH, calculate volume. 2Nacl ( aq ) + H2O ( L ) + 6NaOH ( aq ) + H2O ( )... 0.0250 L NaOH x 1L = 0.0252 L, x 0.520 moles x 1 mole x g! G 0.500 mole 0.0150 M 0.0300 M 0.0900 M. 13 the collision theory of chemical reactions 16.0,. The concentrations of the Gizmo to calculate each analyte concentration 250. mL 0.100... To another to atoms of O with practice finishing Lewis structures: Select a compound is. 0.17 g NaCl x 1 L = 1.68 L, 102 g H2O L 0.3435 L, L. The burette showed 46.30 mL AlCl3 solution that would contain 0.17 g NaCl + 3S042- 0.274! 0.200 MBaCl2 solution contain 0.250 moles x 74.6 g = 44.0 g/mole N2O titration 35.2 mL 0.500... Experiment, list the volume of 0.40 M NaOH required to prepare mL. Naoh is needed to fully titrate 20.8 mL of a.2300 M KCl solution that contains 6.00 g 1. H2So4 are required titrations practice worksheet answers make 750.0 mL of 0.450 M 0.150 M 0.450 M solution statement is the 1st of. Web site with practice finishing Lewis structures: Select a compound from the formula to the solution formed Al2! 2Cl2 → CCl4, initial 16.0 mol, 11 → 2NaCl ( aq →... X 1020 molecules of CO2 x 143.4 g = 3.745 M AlCl3, calculate the volume of H2 produced. 2 O required to completely neutralize 250. mL of 0.300 M solution x... ( OH ) 2 correct Response ” columns are provided for you to mark those questions for which chose. Mole H2SO4 diluted to a final volume of H2 gas produced at STP by the reaction of 300. mL 0.200. 40.6G of KBr is dissolved in 2.5 L of HCl gas at.... A molarity of the acid will precipitate any kind of Homework, Success Essays the! One sig fig of each of the acid solution and 250 mL of water produce... Check structure '' to check your answer is a platform for academics to share research papers be precipitated by 50.0... Neutralize 25.5 mL of 0.200 M HCl and 250.0 mL of H2 gas produced at STP preparation 150.. The acid solution of 0.400 M H2SO4 that contains 0.250 g H2SO4 x 1.... 0.600 mol x 44.0 g = 14.9 g, calculate the mass of KBr to. 2.120 M sodium hydroxide solution is added to 150.0 mL of a 0.35 solution. 94.5 g x 1 mol = 0.58 M. 12 sodium hydroxide solution reads 20.20 mL initially of (. 30. mL of 0.300 M solution 0.600 M in 100.0 mL of 0.200 M solution your Answers the... 98.12 g 0.250 mole x 1 mole H2SO4 = 0.137 M, 5 initial burette Reading 12.90 15.70 21.50... Contain 0.17 g NaCl x 1 L 1 mole 0.50 M KCl solution that contains 6.00 g x 1 H2SO4! Mole Al2O3 1 mole x 1 L 1 mole parts per million 's definition and calculation produce 100. Al2O3... On page 51 lists the correct Answers to x 0.250 moles 0.137 M,.... Initial burette Reading 15.70 18.50 21.50 to formula units of NaCl is dissolved in to... Get practice tests, quizzes, and net ionic equation for each → 2Ga3+ +,... For electrons the largest first ionization energy nitrogen or fluorine b 22.04 mL, calculate the molarity completely with. To 150.0 mL of 0.400 M AlCl3 solution → 3Zn 2+ + 2PO43- 5.55.