25 ml of a solution containing NaOH and Na2CO3 required
(1) 50 ml of 0.2 HCl using phenolphthalein as indicator.
(2) 72 ml of 0.2 N HCl using methyl orange as indicator.
The ratio of weight of NaOH and Na2CO3 in the solution is
Answer provided was 0.48
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