2H2O --> 2H2 + O2 If you begin with 20 grams of H2O, how many moles of O2 are produced?
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jsimpson11000 7 months ago
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Answer:

17.78 gm

Explanation:

2 H20 mole weight = 36 gm

   which leads to 32 gm   O2

36 / 32   =  20 / x      x = 17.78 gm

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