What is the water solubility of Baco; (Ksp - 2.6 x 10-9 in a solution containing...

Question

Question

science chemistry

Answer 1

Answer #1

[CO32-] = 0.4 M

At equilibrium:

BaCO3 <----> Ba2+ + CO32-

s 0.4 + s

Ksp = [Ba2+][CO32-]

2.6*10^-9=(s)*(0.4+ s)

Since Ksp is small, s can be ignored as compared to 0.4

Above expression thus becomes:

2.6*10^-9=(s)*(0.4)

2.6*10^-9= (s) * 0.4

s = 6.5*10^-9 M

Answer: 6.5*10^-9 M

Answer 2

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