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12 May, 06:34

How many liters of oxygen gas, at standard temperature and pressure, will react with 25.0 grams of magnesium metal?

2Mg + O2 yields 2MgO

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  1. 12 May, 06:50
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    25.0 grams Mg (1 mol Mg/24.31g) = 1.028383381 mol Mg

    1.028383381 mol Mg (1 mol O2/2 mol Mg) =.5141916907 mol O2

    .5141916907 mol O2 (22.4 L/1 mol) = 11.51789387 L O2 gas
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