Ionic EquilibriumMedium
Question
The solubility of CuBr is 2 × 10-4 mol/L at 25oC The Ksp value of CuBr is
Options
A.4 × 10-8 mol2/L-2
B.4 × 10-4 mol2/L-2
C.4 × 10-11 mol2/L-2
D.4 × 10-15 mol2/L-2
Solution
CuBr ⇋ Cu+ + Br-
[CuBr will be fully dissociated]
∴ [Cu+] = 2 × 10-4
and [Br-] = 2 × 10-4
[Cu+][Br- = 2 × 10-4 × 2 ×-4
= 4 × -8 mol2L-2
[CuBr will be fully dissociated]
∴ [Cu+] = 2 × 10-4
and [Br-] = 2 × 10-4
[Cu+][Br- = 2 × 10-4 × 2 ×-4
= 4 × -8 mol2L-2
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