Find the mass of copper oxide CuO if 32 g of copper reacts with oxygen.

univerkov | November 22, 2020 | education

1) Let’s compose the reaction equation: 2Cu + O2 ==> 2CuO
2) Find the mass of the oxide: 32g (Cu) ==> 64g \ mol (Cu) xg (CuO) ==> 80g \ mol hence
m (CuO) = 80g \ mol * 32g \ 64g \ mol = 40g
Answer: m (CuO) = 40g

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