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How many grams of CuO will form from 140 grams of copper and excess oxygen?
Wiki User
∙ 12y ago
2CuO --> 2Cu + O2
mole ratio between CuO and Cu
2:2
so 1:1
n = m/gfm
gfm (Cu) = 63.546
m = 140g
n = 140/63.546
n = 2.2
mole ratio 1:1
so n (CuO) = 2.2
m = gfm*n
n = 2.2
gfm = 79.546
m = 175.0012g
Wiki User
∙ 12y ago
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