Question

What are the numbers of mole in 34 g of nh3

Answer 1

NH3 MASS IS 17G THAT CONTAIN 1 MOLE

THEN 34G MEANS 2 MOLES

Answer 2

Atomic mass of NH3 = 14 + 3 x 1 = 17 17 g of NH3 atoms = 1 mole 34 gm of NH3 atoms = 34/17 = 2 mole.