1.

Select the indicator form the given table for titratioin of 20 mL of 0.02 M CH_(3)COOH with 0.02M NaOH. Given pK_(a)(CH_(3)COOH) = 4.74

Answer»

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IV

Solution :`PH = 1/2[pK_(W) + pK_(a) + "LOG"C]`


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