Question

Quantos mols correspondem a 9,03x1024 íons de Fe+3?

Answer 1

Resposta:

15 mols

Explicação:

1 mol ----------- 6,02x10²³ íons de Fe+³

x ----------------- 9,03x10^24 íons de Fe+³

x = 9,03x10^24 / 6,02x10²³

x = 1,5x10¹

x = 15 mols de Fe.