Zn+H2SO4 = ZnSO4 + H2
m(H2SO4)= 200* 0.49 = 98гр
n(H2SO4) = 98/98 = 1 моль
n(H2) = 1моль
m(H2) = 2гр
V(H2) =22.4 дм3
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Zn+H2SO4 = ZnSO4 + H2
m(H2SO4)= 200* 0.49 = 98гр
n(H2SO4) = 98/98 = 1 моль
n(H2) = 1моль
m(H2) = 2гр
V(H2) =22.4 дм3