2.0 g of chalk was dissolved in 10 ml of 4N HCl and the solution was m – InterviewSolution

1.	2.0 g of chalk was dissolved in 10 ml of 4N HCl and the solution was made up to 100 ml. 25 ml of this solution required 18.75 ml of 0.2 N NaOH solution for complete neutralization. Calculate the percentage of pure CaCO3 in the sample of chalk?
Answer» 2.0 g of chalk was dissolved in 10 ml of 4N HCl and the solution was made up to 100 ml. 25 ml of this solution required 18.75 ml of 0.2 N NaOH solution for complete neutralization. Calculate the percentage of pure $C a C O_{3}$ in the sample of chalk?

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