Объяснение:
m(Zn)=n•M= (N/Na)•M=(1.204•10²²/6.02•10²³)•65= 0.02•65= 1.3г
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Объяснение:
m(Zn)=n•M= (N/Na)•M=(1.204•10²²/6.02•10²³)•65= 0.02•65= 1.3г