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viktoriavoiteshnenko
@viktoriavoiteshnenko
July 2022
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Обчисліть масову частку Оксигену у таких сполуках: Pb02; HNO3; C2H50Н.
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ridmar8957
Mr(PbO2)=207+2*16=239г/моль
W(O)=2*16/239=13,3%
Mr(HNO3)=63г/моль
W(O)=48/63=76,1%
Mr(C2H5OH)=46г/моль
W(O)=16/46=34,78%
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Answers & Comments
W(O)=2*16/239=13,3%
Mr(HNO3)=63г/моль
W(O)=48/63=76,1%
Mr(C2H5OH)=46г/моль
W(O)=16/46=34,78%