Question

what is the number of molecules present in 0.062 mol of acetic acid, CH₃COOH

Answer 1

1 mole contains $6.022 \times 10^{23}$ atoms

Hence,

$0.062$ mole contains $= 0.062 \times 6.022 \times 10^{23}$ $=0.37 \times 10^{23}$