Ответ:
CuO+ H2= Cu+H2O
Zn+ 2HCl= ZnCl2+ H2↑
n(Zn)= 13/65=0.2
Zn/H2=1/1
H2/Cu=1/1
m(Cu) 0.2*64=12.8
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Ответ:
CuO+ H2= Cu+H2O
Zn+ 2HCl= ZnCl2+ H2↑
n(Zn)= 13/65=0.2
Zn/H2=1/1
H2/Cu=1/1
m(Cu) 0.2*64=12.8