Question

Cati moli si cate molecule reprezinta 88 g de dioxid de carbon? Dau fonda

Answer 1

ν=$\frac{m}{M}$=$\frac{88}{44}$-2mol
$\frac{1}{2} = \frac{6.02*10^{23}}{x} = \frac{2*6.02*10^{23}}{1} =12.04*10^{23}$ molecule