Question

a)4 x 10-10 mol/L
b)2 x 10-5 mol/L
c)5 x 10-6 mol/L
d)4 x 10-8 mol/L
e)2 x 10-15 mol/L​

Answer 1

Resposta:

d)4×10*-8mol/l

Explicação:

Kps=[Fe2+].[OH-]

2×10*-15=5×10*-6.[OH-]

[OH-]=4.10*-8mol/l