The concentration of pb2 + in a solution saturated with pbbr2 (s) is 2.14 ✕ 10-2 m. calculate ksp for pbbr2.

Question

Georgia Randall

Chemistry

4 September, 01:39

The concentration of pb2 + in a solution saturated with pbbr2 (s) is 2.14 ✕ 10-2 m. calculate ksp for pbbr2.

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Kira Morton · Answer 1

Concentration = 2.14 âś• 10-2 m

For [Br-], there are 2 ions so 2 x 2.14 x 10^-2 = 4.28 x 10^-2

Ksp = [Pb][Br]^2 = 2.14 âś• 10-2 x (4.28 x 10^-2) ^2 = 39.20 x 10^-6

Ksp = 3.92 x 10^-5