The pH at which in presence of a given indicator a titration is ended is sometimes known as titration exponent and is de

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Q 2673723646.     The pH at which in presence of a given indicator a titration is ended is sometimes known as titration exponent and is denoted by pT. For phenolphthalein and methyl orange pT values are 9.0 and 4.0 respectively. Calculate the indicator (methyl orange) error if 0.1 N HCI is titrated by 0.1 N NaOH. Can 0.01 N HCI be titrated with 0.01 N NaOH using methyl orange or phenolphthalein as indicator with the same accuracy. Explain (Temp. = 298 K)

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