Chemistry & Chemical Reactivity
9th Edition
ISBN: 9781133949640
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
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Chapter 4, Problem 137SCQ
Let us explore a reaction with a limiting reactant. Here, zinc metal is added to a flask containing aqueous HCl, and H2 gas is a product.
Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(g)
The three flasks each contain 0.100 mol of HCl. Zinc is added to each flask in the following quantities.
When the reactants are combined, the H2 inflates the balloon attached to the flask. The results are as follows:
Flask 1: Balloon inflates completely, but some Zn remains when inflation ceases.
Flask 2: Balloon inflates completely. No Zn remains.
Flask 3: Balloon does not inflate completely. No Zn remains.
Explain these results. Perform calculations that support your explanation.
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Chapter 4 Solutions
Chemistry & Chemical Reactivity
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