Question

mass of 10 molecules of NH3 ​

Answer 1

Answer:

The molar mass of NH3 is equalled to 17 gram. Moles of NH3 in 8.5 gm =8.5/17=0.5thus molecules in half mole NH3 is 6.022×10^23×0.5and atoms in half mole NH3=0.5× 6.022×10^23×48.5/17 = 0.50.