Calculate the volume of 0.2NNaOH required for neutralising the solution obtained by mixing 20 mL of 0.1 NH2SO4 and 20 mL of 0.1 NHCl.
A
10 mL
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B
20 mL
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C
30 mL
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D
40 mL
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Solution
The correct option is B20 mL In any acid base titration, the number of equivalents of the acids and the bases are equal. Milliequivalent of the acids=volume in mL×normality =20×0.1 NH2SO4+20×0.1 NHCl=4
Volume of NaOH=milliequivalentsnormality=40.2=20mL