Tamilnadu BoardEnglish MediumSTD 12ChemistryIonic Equilibrium1 Mark
MCQ
What is the pH of $0.1 M$ HCI solution?
✓
$1$
B
$2$
C
$13$
D
$3$
✓
Answer
Correct option: A.
$1$
$(a) \ 1$
${\left[ H _3 O ^{+}\right]=0.1 M }$
$pH =-\log _{10}\left[ H _3 O ^{+}\right]=-\log _{10}[0.1]$
$=-\log _{10}\left[10^{-1}\right] $
$pH = I$
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