When NaOH solution is gradually added to the solution of a weak acid (HA), the pr!J of the solution is found to be 5.0 a

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Q 2603523448.     When NaOH solution is gradually added to the solution of a weak acid (HA), the pr!J of the solution is found to be 5.0 at the addition of 10.0 ml of NaOH and 6.0 at the further addition of 10.0 mL of same NaOH. (Total volume of NaOH = 20 ml) calculate pK_a for HA [log 2 = 0.3]

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