Question

quantos mols há em 1,8x10^24 moléculas de nitrogenio?

Answer 1

1 mol = 6,02.10^23

x mol = 1,8.10^24

x.6,02.10^23 = 1,8.10^24

x = (1,8/6,02).(10^24/10^23)

x = 0,29.10

x = 2,9 ≈ 3 mols

Resposta: 3 mols