Предмет: Химия, автор: Министелия1

Пожалуйста помогите мне.
У какого из веществ: оксида бария (BaO), оксида фосфора (P2O5), оксида железа (Fe2O3) молекула тяжелее?

Ответы

Автор ответа: nikitokkk
0
M(BaO)=137+16=153 г/моль
M(P2O5)=31*2+16*5=142 г/моль
M(Fe2O3)=56*2+16*3=160 г/моль
Ответ: Fe2O3
Автор ответа: Министелия1
0
Спасибо большое
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