The number of atoms present in 4.25 grams of NH3 is approximately
1 X 1023
1.5 X 1023
2 X 1023 NH3
6.02 X 1023
4.2517 × 4 × 6.023 × 1023 = 6.023 × 1023
The number of atoms present in 4.25 grams of NH3 is approximately________.