20 mL of a weak monobasic acid (HA) requires 20 mL 0.2 M NaOH for comp – InterviewSolution

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1.	20 mL of a weak monobasic acid (HA) requires 20 mL 0.2 M NaOH for complete titration. If pH of solution upon addition of 10 mL of this alkali to 25 mL of the above solution of HA is 5.8, then pK_(a) of the weak acid is :
Answer» `6.1` `5.8` `5.98` `5.58` ANSWER :C

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