Предмет: Химия, автор: konstantinregub8

Обчисліть Масові частки елементів у Сполуці яка містить 2 атома Літию 1 атом Карбану І 3 Атоми Оксигену

Ответы

Автор ответа: oficiant

1

Li2CO3

w(Li))= Ar(Li)×N×100/Mr(Li2CO3)=1400/74=19%

w(C)=Ar(C)×N×100/Mr(Li2CO3)= 1200/74=16,2%

w(O3)=Ar(O)×N×100/Mr(Li2CO3)= 64,8%

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