Question

How many kg of C atom are in 3.6 mols of C atom?

Answer 1

1mole of C=12g
since 12g=12/1000=1.2×10^-2
1mole of C=1. 2×10^-2 kg
3.6 mole = x
by cross multiplication
3.6(1.2×10^-2)=×
x=4.32×10^-2 kg