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Question

100 mL of 0.3 N HCl were mixed with 200 mL of 0.6 N H2SO4 solution. The final normality of acid was

A
0.4 N
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B
0.5 N
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C
0.6 N
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D
0.9 N
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Solution

The correct option is C 0.5 N
N1,V1 are normality and volume of HCl

N2,V2 are normality and volume of H2SO4 respectively

N=N1V1+N2V2V1+V2

N=0.3×100+0.6×200100+200=0.5N

Hence, option B is correct

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