A 0.2500-g sample of an AlZn alloy reacts with HCl to form hydrogen gas: The hydrogen produced

Question:

A 0.2500-g sample of an Al–Zn alloy reacts with HCl to form hydrogen gas:

2 Al(s) + 6 H+ (aq) 2 Al+ (aq) + 3 H(g) Zn(s) + 2 H+ (aq) Zn+ (aq) + H(g)

The hydrogen produced has a volume of 0.147 L at 25°C and 755 mm Hg. What is the percentage of zinc in the alloy?

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Chemistry For Engineering Students

ISBN: 9780357026991

4th Edition

Authors: Lawrence S. Brown, Tom Holme

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Question Posted: Nov 24, 2023 03:17 AM

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A 0.2500-g sample of an AlZn alloy reacts with HCl to form hydrogen gas: The hydrogen produced

Question:

2 Al(s) + 6 H+ (aq) → 2 Al³+ (aq) + 3 H₂(g) Zn(s) + 2 H+ (aq) → Zn²+ (aq) + H₂(g)

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Chemistry For Engineering Students

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