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Q.
The pH of $ N/10\,HCl $ is :
AFMCAFMC 2001
Solution:
$HCl$ is a strong acid hence, it is $100 \%$ under all concentrations.
$\left[ H _{3} O ^{+}\right] \text {of } \frac{ N }{10} HCl =\frac{1}{10}=10^{-1} M $
$pH =-\log \left[ H _{3} O ^{+}\right] $
$=-\log \left(10^{-1}\right)=1$