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marinamurzinova
@marinamurzinova
September 2021
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Определите число молекул 9.4 г Cu(NO3)2
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dariaiowa
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M(Cu(NO3)2)=64+14*2+16*6=188 г/моль n(Cu (NO3)2)=m/M=9.4/188=0.05 моль N(Cu (NO3)2)=n*NA=0.05*6.02*10^23=0.301*10^23
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M(Cu(NO3)2)=64+14*2+16*6=188 г/моль n(Cu (NO3)2)=m/M=9.4/188=0.05 моль N(Cu (NO3)2)=n*NA=0.05*6.02*10^23=0.301*10^23