Zn+H2SO4 ->ZnSO4 + H2
n(Zn)=6,5/65=0,1моль; n(H2SO4)=0,1моль; m(H2SO4)0,1X98=9,8г;
w(H2SO4)=9,8/150=0,065(6,5%)
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Zn+H2SO4 ->ZnSO4 + H2
n(Zn)=6,5/65=0,1моль; n(H2SO4)=0,1моль; m(H2SO4)0,1X98=9,8г;
w(H2SO4)=9,8/150=0,065(6,5%)