Question

If 1 mole of carbon atoms weighs 12g. What is the mass (in grams ) of 1 atom of carbon?

Answer 1

No. of atoms in mole =$6.0252\times {10}^{23}$
$\Rightarrow 6.022\times {10}^{23}$ atoms weight 12g
$\Rightarrow$ Weight of 1 atom =$\frac{12}{6.022\times {10}^{23}}g$