Ответ:
Мr (CaO) = 40+16=56
Мr (SO3) = 32+(16*3)=80
Мr (CO) = 12+16 = 28
Мr (MgO) = 24+16= 40
Объяснение:
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Ответ:
Мr (CaO) = 40+16=56
Мr (SO3) = 32+(16*3)=80
Мr (CO) = 12+16 = 28
Мr (MgO) = 24+16= 40
Объяснение: