Zn+h2so4=znso4+h2
n(h2)=10/22.4=0.446моль
n(Zn)=(n(h2)*100)/78=0.57моль
m(Zn)=n*M=0.57*65=37г
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Zn+h2so4=znso4+h2
n(h2)=10/22.4=0.446моль
n(Zn)=(n(h2)*100)/78=0.57моль
m(Zn)=n*M=0.57*65=37г