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Leno4ka [110]
3 years ago
14

The molar mass of oxygen is 16.00 g/mol. how many moles of oxygen are in copper oxide?

Chemistry
1 answer:
BabaBlast [244]3 years ago
5 0
 oxygen added to the copper is 3.300 grams. 

<span>89.920 - 83.620 = 3.300 g oxygen </span>

<span>which is 0.2063 moles of oxygen. </span>

<span>3.300 g O x (1 mol O / 16.00 g O) = 0.20625 mol </span>
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