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Ksenia2001Lap
@Ksenia2001Lap
August 2022
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m(al)=5,4г.Найти V(H2)-?.Уравнение реакции Al+H2SO4
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depressiv666
N(al)=m/Mr Mr(al)=27
n=5.4/27=0.2 моль
Al+H2SO4=AlSO4+H2
n(H2)=0.2 моль
V=Vm*n
V=22.4*0.2=4.48
V(H2)=4.48 л
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Ksenia2001Lap
формула соли не верна, из за этого и кол-во в-ва тоже
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Answers & Comments
n=5.4/27=0.2 моль
Al+H2SO4=AlSO4+H2
n(H2)=0.2 моль
V=Vm*n
V=22.4*0.2=4.48
V(H2)=4.48 л