Question

number for neutrons in 0.45 grams of water

Answer 1

0.45 18 = 0.025 moles. This corresponds to 0.025 × 6.023 ×10 23 = 1.506 × 10 22 molecules. Thus, the total number of neutrons present is 8 × 1.506 × 10 22 = 1.2 × 10 23 neutrons