chemistry

When 11.0 g of calcium metal is reacted with water, 5.00 g of calcium hydroxide is produced. Using the following balanced equation, calculate the percent yield for the reaction?
Ca(s) + 2 H2O(l) → Ca(OH)2(aq) + H2(g)
84.0%
12.3%
45.5%
24.6%

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  1. Here is a worked example of a stoichiometry problem including how to calculate percent yield.
    http://www.jiskha.com/science/chemistry/stoichiometry.html

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  2. 24.6

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