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July 31, 2014

Homework Help: Chemistry (Stoichiometry)

Posted by Nick on Wednesday, March 2, 2011 at 1:30am.

Magnesium powder reacts with steam to form magnesium hydroxide and hydrogen gas.
a) Write a balanced chemical equation for this reaction.
b) What is the percentage yield if 10.1g Mg reacts with an excess of water and 21.0g Mg(OH)2 is recovered?
c) If 24g Mg is used and the percentage yield is 95%, how many grams of magnesium hydroxide should be recovered?

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