16 Consider a weak acid HA that ionizes according to the equation

HCN (aq)

Question

16. Consider a weak acid, HA, that ionizes according to the equation:

HCN (aq) ⇄

H+(aq) + CN(aq)

At 25oC, Kc for this reaction is 4.9 x 10-10. Determine equilibrium concentrations of all species in a 0.100 M solution of aqueous HCN.

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