Question

40g of N2 gas.. calculate no of moles​

Answer 1

Answer:

28 gram

I hope this is correct

Answer 2

Answer:

1.5 moles

Explanation:

1 mole of N2 = (14 x 2) g = 28 g

42 g of N2 = 42 g / 28 g per mole

                   = 1.5 moles.