4 g of a mixture of Na_(2)SO_(4) and anhydrous Na_(2)CO_(3) were dissolved in pure and volume made up to 250 mL. 20 mL of this solution required 25 mL of N//5 H_(2)SO_(4) for complete neutralisation. Calculate the percentage composition of the mixture.

4 g of a mixture of Na_(2)SO_(4) and anhydrous Na_(2)CO_(3) were disso

1.	4 g of a mixture of Na_(2)SO_(4) and anhydrous Na_(2)CO_(3) were dissolved in pure and volume made up to 250 mL. 20 mL of this solution required 25 mL of N//5 H_(2)SO_(4) for complete neutralisation. Calculate the percentage composition of the mixture.
Answer» SOLUTION :N//A