Question

calculate the mass of 0.5 mole of N2 ( nitrogen gas ) . ( atomic mass of n = 140)?​

Answer 1

Answer:

14 gms

i hope it helps u...

Answer 2

Answer:

14 gm

Explanation:

1 mole of N2 = Gram molecular mass of N2

Or 1 mole of N2 = 28 gm.

∴ 0.5 mole of N2 gas = 0.5 × 28.

= 14 gm of N2