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Find Ka, % dissocation, given concentration and pH

1. A 2.5M solution of hydrocyanic acid has a measured pH of 4.5. Calculate the Ka for hydrocyanic acid and its % dissociation.

2. Using an equimolar mixture of formic acid (Ka=1.8 x 10^-4) and sodium formate, determine the pH that this buffer solution will have.

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  • Category:- Chemistry
  • Reference No.:- M9411013

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