Question

Determine the mass of 6.022 X 10^23 number of N2 molecules.

Answer 1

1 mole corresponds to 6.022×10²³ molecules.

And 1 mole = 28 gm

Hence, the mass is 28 gm

Answer 2

6.022*10^23 No. of molecules m = 1 mole of N2

Hence, Required mass = 28 g