Предмет: Химия, автор: Viola0802222

дана серная кислота массой 150грам она 2% прибавили магний найти массу сульфата магния ( срочно)

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Автор ответа: karayashka

0

H2SO4+Mg=MgSO4+H2
n(MgSO4)=n(Mg)=4.8/24=0.2 моль
m(MgSO4)=0.2*120=24 г

Автор ответа: karayashka

0

так?

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