Предмет: Химия, автор: lyazovabotakoz83

оксид кальция с массой 5,6 грамм с углекислым газом массой 5,6 грамм произошла реакция. чему равна масса карбоната кальция

Ответы

Автор ответа: zvezdochkaya

Ответ:

CaO+CO2=CaCo3

n (CaO)=5,6/56=0,1 моль

n (CaO)=n (CaCO3)

m (CaCO3)= 0,1×100=10г

Ответ m(CaCO3)=10г

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