Предмет: Химия, автор: lucikvalik5

LiH,Fe2O3,N2co3
обчислити масову частку елементів
БУД ЛАСКА
ДАЮ 35 БАЛІВ!

Ответы

Автор ответа: anarkadairabai77

1

Ответ:

LiH-7+1=8

Fe2O3-55×2+16×3=158

N2CO3-14×2+59×3=205

Автор ответа: turumbetzanel

1

Ответ:

Lih-7+1=8

Fe203-55×2+16×3=158

N2СОЗ-14+2+59×3=205

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