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An impure sample of zinc (Zn) is treated with an excess of sulfuric acid (H,SO,) to form zinc sulfate (ZnSO,) and molecular hydrogen (H,). (a) Write a balanced equation for the reaction. Zn(s) + (b) How many moles are in 3.66 g of pure zinc? mol (c) How many moles of hydrogen gas are formed if one mole of zinc is treated with excess sulfuric acid? mol (d) If 3.66 g of pure Zn is treated with excess sulfuric acid, how many grams of hydrogen could be collected? (e) If 0.0680 g of H, is obtained from 3.66 g of impure sample, what is the percent purity of the sample? %

An impure sample of zinc (Zn) is treated with an excess of sulfuric acid (H,SO,) to form zinc sulfate (ZnSO,) and molecular hydrogen (H,). (a) Write a balanced equation for the reaction. Zn(s) + (b) How many moles are in 3.66 g of pure zinc? mol (c) How many moles of hydrogen gas are formed if one mole of zinc is treated with excess sulfuric acid? mol (d) If 3.66 g of pure Zn is treated with excess sulfuric acid, how many grams of hydrogen could be collected? (e) If 0.0680 g of H, is obtained from 3.66 g of impure sample, what is the percent purity of the sample? %

Introduction to General, Organic and Biochemistry
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter4: Chemical Reactions
Section: Chapter Questions
Problem 4.93P: 4-93 Ammonia is prepared industrially by the reaction of nitrogen and hydrogen according to the...
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An impure sample of zinc (Zn) is treated with an excess of sulfuric acid (H,SO,) to form zinc sulfate (ZnSO,) and molecular hydrogen (H,). (a) Write a balanced equation for the reaction. Zn(s) + (b) How many moles are in 3.66 g of pure zinc? mol (c) How many moles of hydrogen gas are formed if one mole of zinc is treated with excess sulfuric acid? mol (d) If 3.66 g of pure Zn is treated with excess sulfuric acid, how many grams of hydrogen could be collected? (e) If 0.0680 g of H, is obtained from 3.66 g of impure sample, what is the percent purity of the sample? %
Transcribed Image Text:An impure sample of zinc (Zn) is treated with an excess of sulfuric acid (H,SO,) to form zinc sulfate (ZnSO,) and molecular hydrogen (H,). (a) Write a balanced equation for the reaction. Zn(s) + (b) How many moles are in 3.66 g of pure zinc? mol (c) How many moles of hydrogen gas are formed if one mole of zinc is treated with excess sulfuric acid? mol (d) If 3.66 g of pure Zn is treated with excess sulfuric acid, how many grams of hydrogen could be collected? (e) If 0.0680 g of H, is obtained from 3.66 g of impure sample, what is the percent purity of the sample? %
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