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NaOH & Na2CO3 are dissolved in 200ml of solution in presence of phenolphthalein 17.5ml 0.1 N of HCl is used to titrate the solution. Methyl orange added to same solution and requires 2.5ml 0.1 N HCl calculate the normality of NaOH and Na2CO3 |
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Answer» Estimation of Na2CO3 and NaHCO3 in a MIXTURE: Accurately weigh about 2.0 g of the mixture and PREPARE a solution in distilled WATER in a 250 ml standard flask. Slowly titrate 25 ml of this solution against standard hydrochloric acid using PHENOLPHTHALEIN as indicator. Repeat to concordance (Vp ml). Explanation: please mark me as BRAINLIEST |
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