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Que. 25 ml of a solution containing NaOH and Na2CO3 required 1)50 ml of 0.2 N HCI using phenolphthalein as indicator 2) 72 ml of 0.2N HCI when titrated using methyl orange as indicator. The ratio of weight of NaOH and Na2CO3, in this solution is (1)0.48 (2) 0.44 (3) 0.40 (4) 0.38 |
| Answer» Que. 25 ml of a solution containing NaOH and Na2CO3 required 1)50 ml of 0.2 N HCI using phenolphthalein as indicator 2) 72 ml of 0.2N HCI when titrated using methyl orange as indicator. The ratio of weight of NaOH and Na2CO3, in this solution is (1)0.48 (2) 0.44 (3) 0.40 (4) 0.38 | |