# What is the mole used to count?

It is a fact that $6.022 \times {10}^{23}$ individual ""^1H atoms have a mass of $1$ $g$..........$6.022 \times {10}^{23}$ individual ""^12C atoms have a mass of $12$ $g$.........$6.022 \times {10}^{23}$ individual ""^16O atoms have a mass of $16$ $g$.............and $6.022 \times {10}^{23}$ individual ""^16O_2 molecules have a mass of $32$ $g$