300 ml 0.1 M HCl and 200 ml of 0.03 M H2SO4 are mixed. Calculate the normality of the resulting mixture.
A
0.084 N
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B
0.84 N
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C
2.04 N
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D
2.84 N
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Solution
The correct option is A 0.084 N For HCl V1=300ml N1=M×Basicity =0.1×1=0.1
For H2SO4 V2=200ml N2=M×Basicity =0.03×2=0.06
Normality of the mixture, N=V1N1+V2N2V1+V2 N=300×0.1+200×0.06500 N=30+12500=0.084N