Массовая доля h2o. рассчитать массовую долю элементов h2o
dja4enkodanil16
2
12.08.2019 07:40
2
Ответы
aveiro1
04.10.2020 13:00
Mr(H2O)=1•2+16=18 W(H2)=1•2/18=0,11=11% W(O)=16/18=0,89=89%
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