Question

Calculate the mass of 14.16*1023 NH3 molecules?​

Answer 1

Explanation:

moles =no. of molecules/Avogadro number

moles of NH3=14.16×10^23/6.023×10^23

moles=2.36

mass=moles × molecular weight of NH3

mass=2.36×17

mass=40.12gm