Предмет: Химия, автор: Ignat121109

определить масовые доли элемента в вещества гедроскит алюминия

Ответы

Автор ответа: mariasalij9716

0

ответ:

Al(OH)3=27+16*3+1*3=78 г/моль

массовая доля равна M/m

массовая доля Al=27/78*100%=35

массовая доля O=48/78*100%=62

массовая доля H=3/78*100%=4

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