Объяснение:
n(Cl2)= N/Na = 1,2•10²³/6.02•10²³=0.2моль
m(Cl2)=n•M=0.2•2•35.5=14,2г
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Объяснение:
n(Cl2)= N/Na = 1,2•10²³/6.02•10²³=0.2моль
m(Cl2)=n•M=0.2•2•35.5=14,2г