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  4. 300 ml 0.1 M HCl and 200 ml of 0.03 M H2SO4 are mixed. Calculate the normality of the resulting mixture

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Q. 300 ml 0.1 M HCl and 200 ml of 0.03 M $H_{2}SO_{4}$ are mixed. Calculate the normality of the resulting mixture

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Solution:

$\begin{matrix}{\text{For}} HCl&{\text{For}} H_{2} SO_{4}\\ V_{1}=300 ml&V_{2}=200 ml\\ N_{1}=M\times {\text{Basicity}}&N_{2}=M\times {\text{Basicity}}\\ =0.1\times1=0.1&=0.03\times2=0.06\end{matrix}$
Normality of the mixture ,
$N=\frac{V_{1}N_{1}+V_{2}N_{2}}{V_{1}+V_{2}}$
$=\frac{300\times0.1+200\times0.06}{500}$
$=\frac{30+12}{500}$
$=0.084\,N$