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Home/ Questions/Given that Ka for HCN is 6.2*10^-10 at 25°c, what is the value of Kb for...
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Asked: April 13, 20222022-04-13T05:50:17+00:00 2022-04-13T05:50:17+00:00In: Chemistry

Given that Ka for HCN is 6.2*10^-10 at 25°c, what is the value of Kb for…

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Given that Ka for HCN is 6.2 × 10-10 at 25°c, what is the value of Kb for CN- at 25°c?

Given that Kb for NH3 is 1.8 × 10-5 at 25°c, what is the value of Ka for NH4+ at 25°c?

♦ Relevant knowledge

Ka is an acid dissociation constant ,it is a measure of the degree of ionization that the acid has.

Kb is a base dissociation constant. It describes the ionization rate that the base has.

Dissociation constant is a kind of equilibrium constant, which reflects the concentration of compounds and the reaction that follows dissociation. The dissociation value depends on the dissociation process of the substance. Strong electrolytes have a large value of dissociation constant , while weak electrolytes, which dissociate in part, are of low value for dissociation constant.

 

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    Lily Tremblay
    2022-04-13T05:50:20+00:00Added an answer on April 13, 2022 at 5:50 am

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