We are being asked to find Kb for ClO-. ClO- is the conjugate base of the weak acid HClO.
HClO + H2O ⇌ ClO- + H3O+
(weak acid) (base) (conjugate base) (conjugate acid)
Hence, the Kb of ClO- can be calculated from the Ka of HClO. Ka and Kb are connected by the autoionization constant of water (Kw) in the following equation:
Given that Ka for HClO is 4.0 × 10–8 at 25°C, What is the value of Kb for ClO– at 25 °C? Kb =____?
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