Tamilnadu BoardEnglish MediumSTD 12ChemistryIonic Equilibrium1 Mark
MCQ
The pH of $0.01 M$ HCl solution is …………..
A
$3$
✓
$2$
C
$1$
D
$10$
✓
Answer
Correct option: B.
$2$
$(b) \ 2$
${\left[ H _3 O ^{+}\right]=0.01 M } $
$pH =-\log _{10}\left[ H _3 O ^{+}\right]=-\log _{10}[0.01] $
$=-\log _{10}\left[10^{-3}\right]=3 $
$pH =3$
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