Question

If one mole of carbon atom weighs 12 g. What is the mass of 1 atom of carbon?

Answer 1

12g. of carbon contains 6.022 x 10²³  atoms.

mass of 1 atom = \(\frac{12}{6.022\,\times\,10^{23}}= 1.99 \times\,10^{-23} g.\)