Question

In a sample of sodium carbonate some sodium sulphate is also mixed. 1.25g of this sample is dissolved and the volume made up to 250ml. 25ml of this solution neutralises 20ml of N by 10 sulphuric acid.calculate the percentage of the sodium carbonate in the sample

Answer 1

a sample of sodium carbonate contains impurity of sodium sulphate .1.25 g of this sample are dissolved in water and volume made upto 250 ml. 25 ml of this solution neutralise 20 ml of N/ 10 sulphuric acid . calculate the percentage of sodium carbonate in solution

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