Question

Given 6.25 mol H2O, determine the number of molecules

Answer 1

No of molecules=No of moles× Avagadro no

$\\ \sf\longmapsto 6.25\times 6.023\times 10^{23}$

$\\ \sf\longmapsto 37.6\times 10^{23}$

$\\ \sf\longmapsto 3.8\times 10^{24}molecules$