Question

calculeaza numărul de moli din
$1.2044 \times {10}^{24} \: atomi \: de \: sodiu$
​

Answer 1

1 mol --------------  6,022*10²³ atomi Na

x moli ------------- 1,2044*10²⁴ atomi Na

x= 6,022*10²³/ 1,2044*10²⁴ = 6,022/1,2044*10=6,022/12,044= 1/2 = 0,5 moli Na