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Find the pH during the titration of 20.00 mL of 0.2350 M butanoic acid, CH3CH2CH2COOH (Ka = 1.54...

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Chemistry

Find the pH during the titration of 20.00 mL of 0.2350M butanoic acid,CH3CH2CH2COOH(Ka = 1.54 ✕ 10-5), with 0.2350M NaOH solution after the following additions oftitrant.

(a)    0 mL


(b)    10.00 mL


(c)    15.00 mL


(d)    19.00 mL


(e)    19.95 mL


(f)    20.00 mL


(g)    20.05 mL


(h)    25.00 mL

Answer & Explanation Solved by verified expert
4.4 Ratings (729 Votes)
At 0 ml NaOH 02350 M HA Ka 154x105 HAHA let X H 154x105 HAHA X2 02350 X solving cuadratic equation X 0001895 M pH 272 At 100 1500 1900 and 1995 mL NaOH added you have a buffer solution composed of HA and A1 Use the    See Answer
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