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31-10-2022
Chemistry

Answered

The K₂ of hydrocyanic acid is 6.17 x 10-10. A 100 mL buffer solution is prepared that is 0.51 M
hydrocyanic acid (HCN) and 0.45 M sodium cyanide (NaCN). Calculate the pH after the addition of
25 mL of 0.2 M NaOH solution

Answer :

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