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Calculate the pH during titration of 25 mL of 0.175 M HCN with 0.3 M NaOH...

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Chemistry

Calculate the pH during titration of 25 mL of 0.175 M HCN with0.3 M NaOH after the addition of 0 mL, 7.29mL, 14.5833 mL, and 20mL base. Show all work.

Answer & Explanation Solved by verified expert
3.6 Ratings (466 Votes)
HCN is a wek acid so a initially V 0 HCN H CN Ka HCNHC Ka 6171010 pKa logKA log6171010 92097 6171010 xx0175x x 1039105 pH log1039105 49833 b V 729 mL mmol    See Answer
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