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ОльчаЗуб
@ОльчаЗуб
July 2022
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Как найти массовую долю вещества K2CO3 в %?
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krioira
Mr(K2CO3)=2*39+12+3*16=138
W(K)=78/138=0.57=57%
W(C)=12/138=0.09=9%
W(O)=48/138=0.34=34%
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Answers & Comments
W(K)=78/138=0.57=57%
W(C)=12/138=0.09=9%
W(O)=48/138=0.34=34%