Question

how do you solve this ?

Answer 1

1mol of K contains 6.022×10^23atoms

0.0246 mol contains:-

$\\ \sf\longmapsto 0.0246\times Avagadro\:no$

$\\ \sf\longmapsto 0.0246\times 6.022\times 10^{23}$

$\\ \sf\longmapsto 1.37302\times 10^{22}$