Предмет: Химия, автор: Аноним

Массовая доля кислорода в оксиде серы(IV) SO2 равна:

а) 0,6; б) 0,5; в) 0,4; г) 0,7.

Ответы

Автор ответа: 9856565651

2

M SO2 = 32+2*16=64

w(O)=M(O)*n/M(SO2) = 16*2/64 = 32/64 = 0,5

Аноним: спасибо

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