Ionic EquilibriumHard

Question

At 25oC Kb for BOH = 1.0 × 10-12 . 0.01 M solution of BOH has [OH-]:

Options

A.1.0 × 10-6 M
B.1.0 × 10-7 M
C.1.0 × 10-5 M
D.2.0 × 10-6 M

Solution

[OH-] = Ca = C
=     = 1.0  ×  10-7M.

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