Que 19 0 7g of a sample of Na2CO3 xH2O were dissolved in water and the volume was made to 100 ml 20 ml of this solution required

Question

Que 19 0 7g of a sample of Na2CO3 xH2O were dissolved in water and the volume was made to 100 ml 20 ml of this solution required 19 7 ml of N 10 HCI for complete neutralization The value of x is O 7

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