H2SO4+Mg☞MgSO4+H2
1моль 1моль
n(H2SO4)=n(Mg)=m(H2SO4)/M(H2SO4)
M(H2SO4)=2*1+32+4*16=98г/моль
n(H2SO4)=n(Mg)=0.51моль
m(Mg)=M(Mg)*n(Mg)=24*0.51=12.24г
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H2SO4+Mg☞MgSO4+H2
1моль 1моль
n(H2SO4)=n(Mg)=m(H2SO4)/M(H2SO4)
M(H2SO4)=2*1+32+4*16=98г/моль
n(H2SO4)=n(Mg)=0.51моль
m(Mg)=M(Mg)*n(Mg)=24*0.51=12.24г