3.141 An impure sample of zinc (Zn) is treated with an excessof sulfuric acid (H2SO4) to form zinc sulfate (ZnSO4) andmolecular hydrogen (H2). (a) Write a balanced equationfor the reaction. (b) If 0.0764 g of H2 is obtained from3.86 g of the sample, calculate the percent purity of thesample. (c) What assumptions must you make in part (b)?
3.141 An impure sample of zinc (Zn) is treated with an excessof sulfuric acid (H2SO4) to form zinc sulfate (ZnSO4) andmolecular hydrogen (H2). (a) Write a balanced equationfor the reaction. (b) If 0.0764 g of H2 is obtained from3.86 g of the sample, calculate the percent purity of thesample. (c) What assumptions must you make in part (b)?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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3.141 An impure sample of zinc (Zn) is treated with an excess
of sulfuric acid (H2SO4) to form zinc sulfate (ZnSO4) and
molecular hydrogen (H2). (a) Write a balanced equation
for the reaction. (b) If 0.0764 g of H2 is obtained from
3.86 g of the sample, calculate the percent purity of the
sample. (c) What assumptions must you make in part (b)?
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