Question

If one mole of sodium atom weighs 23g, What is the mass (in g) of one atom of sodium?

Answer 1

Explanation:

1 mole give 23g

so 6.023 x 10 to the power23 (avagadro no.) Na atoms contain 23g

i.e.,1atom weighs 23/6.023×10 raised 23 grams