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How many moles are there in 90 grams of copper oxide??

Chemistry
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How many moles are there in 90 grams of copper oxide??

Mar 6th, 2015

moles = mass /molecular weight 

molecular weight of CuO is 63.5 g/mol + 16 g/mol = 79.5 g/mol

moles = 90 g / 79.5 g/mol = 1.13 moles

Good Luck!!

Mar 6th, 2015

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