Question

find the number of atom in 0.0235g of NH3.​

Answer 1

Answer:

moles = mass/ molar mass

moles = 0.0235/17

moles = 1.38 × 10^(-5)

Number of atoms = moles × Avogadro number

Number = 1.38 × 10^(-5) × 6.02 × 10^23

= 8.3076 × 10^18