дано
m(I2)=50.8 g
-------------------
N-?
N=m/M*N(A) . M(I2)=254 g/mol , N(A)=6.02*10^23
N= 50.8 / 254 * 6.02*10^23=1.204 *10^23 молекул
ответ 1.204 *10^23 молекул
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дано
m(I2)=50.8 g
-------------------
N-?
N=m/M*N(A) . M(I2)=254 g/mol , N(A)=6.02*10^23
N= 50.8 / 254 * 6.02*10^23=1.204 *10^23 молекул
ответ 1.204 *10^23 молекул