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Topic: Please check the problem on H2  (Read 2598 times)

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Offline oceanmd

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Please check the problem on H2
« on: February 26, 2008, 10:49:14 PM »
Please check the problem. Thank you.
Hydrogen gas is produced when Zinc reacts with hydrochloric acid. How many grams of zinc are needed to produce 112L of H2 at STP?
112L H2=5mol H2 = 5mol Zn = 326.95g Zn
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Offline AWK

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Re: Please check the problem on H2
« Reply #1 on: February 27, 2008, 01:46:32 AM »
OK but significant figures are wrong
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Offline potatopotato

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Re: Please check the problem on H2
« Reply #2 on: February 27, 2008, 10:42:57 PM »
looks good
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