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Calculate the pH for each of the following cases in the titration of 35.0 mL of...

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Chemistry

Calculate the pH for each of the following cases in thetitration of 35.0 mL of 0.120 M KOH(aq), with 0.120 M HBr(aq).

(a) before addition of any HBr

(b) after addition of 13.5 mL of HBr

(c) after addition of 23.5 mL of HBr

(d) after the addition of 35.0 mL of HBr

(e) after the addition of 45.5 mL of HBr

(f) after the addition of 50.0 mL of HBr

Answer & Explanation Solved by verified expert
4.3 Ratings (649 Votes)
1when 00 mL of HBr is added Given MHBr 012 M VHBr 0 mL MKOH 012 M VKOH 35 mL molHBr MHBr VHBr molHBr 012 M 0 mL 0 mmol molKOH MKOH VKOH molKOH 012 M 35 mL 42 mmol We have molHBr 0 mmol molKOH 42 mmol 0 mmol of both will react remaining mol of KOH 42 mmol Total volume 35 mL OH mol of base remaining volume OH 42 mmol35 mL 012 M use pOH log OH log 012 09208 use PH 14 pOH 14 09208 130792 Answer 130792 2when 135 mL of HBr is added Given MHBr 012 M VHBr 135 mL    See Answer
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