stosunek molowy 2 : 1 : 1
MCu₂S = 160g/mol
MS= 32g/mol
32g/xg = 160g/80g
x=16g siarki
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2Cu + S --> Cu₂S
40g x g 80g
stosunek molowy 2 : 1 : 1
MCu₂S = 160g/mol
MS= 32g/mol
32g/xg = 160g/80g
x=16g siarki