Oblicz ile gramów miedzi należy użyć do syntezy 40g siarczku miedzi (I)
Cu2S
2Cu + S--->Cu2S
128g Cu --- 160g Cu2S
X --- 40g
X=32g Cu
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2Cu + S--->Cu2S
128g Cu --- 160g Cu2S
X --- 40g
X=32g Cu