Автор - sasagolyakov

Расставьте коэффициенты
Cu+O2=CuO
Mg+HCl=MgCl+H2
Al(OH)3=Al2O3+H2O
Na+S=Na2S
Al+S=Al2S3

Ответ

Автор - koristuvachg15

2Cu+O2=2CuO

2Mg+2HCl=2MgCl+H2

Na+2S=Na2S

2Al+3S=Al2S3

2Al(OH)3=Al2O3+3H2O


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