Объяснение:
m(Cu)=6.4г
m(CuO)=?
2Cu + O2 = 2CuO
n(Cu)=m÷M=6.4÷64=0.1моль
n(Cu)=n(CuO)=0.1моль
m(CuO)=n×M=0.1×80=8г.
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Verified answer
Объяснение:
m(Cu)=6.4г
m(CuO)=?
2Cu + O2 = 2CuO
n(Cu)=m÷M=6.4÷64=0.1моль
n(Cu)=n(CuO)=0.1моль
m(CuO)=n×M=0.1×80=8г.