The following problems were taken from the concepts of stoichiometry. Answer the following problems by showing your complete solution (show how units are converted by giving the correct conversion factors). Encircle your final answer. # 9. A chemist wishes to make 5.00g of CuCl26 by the reaction:CuClzac) + Na,S03 a9) + H,O) → CuCle + Na,SO(ae) + 2HClag).and of Na,CO, should be used if the method gives an 85.0% yield, CuCl, is to be thelimiting reactant, and a 50.0% excess of Na,SO, is to be used?.How many grams of CuCl,

Actual yield of CuCl = 5.00 g Percent yield = 85.0 %

# 9. A chemist wishes to make 5.00g of CuCl216) by the reaction: CuClzac) + Na,S03 ag) + H,O → CuCle + Na,SO4lac) + 2HCI9).How many grams of CuCl, and of Na,CO, should be used if the method gives an 85.0% yield, CuCl, is to be the limiting reactant, and a 50.0% excess of Na,SO, is to be used?

# 9. A chemist wishes to make 5.00g of CuCl216) by the reaction: CuClzac) + Na,S03 ag) + H,O → CuCle + Na,SO4lac) + 2HCI9).How many grams of CuCl, and of Na,CO, should be used if the method gives an 85.0% yield, CuCl, is to be the limiting reactant, and a 50.0% excess of Na,SO, is to be used?

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter3: Chemical Reactions

Section: Chapter Questions

Problem 108QRT

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Concept explainers

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".

Question

The following problems were taken from the concepts of stoichiometry. Answer the following problems by showing your complete solution (show how units are converted by giving the correct conversion factors). Encircle your final answer.

# 9. A chemist wishes to make 5.00g of CuCl26 by the reaction:
CuClzac) + Na,S03 a9) + H,O) → CuCle + Na,SO(ae) + 2HClag).
and of Na,CO, should be used if the method gives an 85.0% yield, CuCl, is to be the
limiting reactant, and a 50.0% excess of Na,SO, is to be used?
.How many grams of CuCl,

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