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Concentration Terms

One g of a mi...

Question

One g of a mixture of Na₂CO₃ and NaHCO₃ consumes y equivalent of HCl for complete neutralization. One g of the mixture is strongly heated, then cooled and the residue treated with HCl. How many equivalent of HCl would be required for complete neutralization?

A

2y equivalent

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B

y equivalent

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C

3y/4 equivalent

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D

3y/2 equivalent

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Solution

The correct option is B
y equivalent

The no. of equivalent of NaHCO₃ = No. Of equivalent of Na₂CO₃ formed. Thus, same equivalent of HCl will be used.

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