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Standard IX
Chemistry
Arrehenius Theory of Acids and Bases
The pH of a s...
Question
The pH of a solution of hydrochloric acid is 4. The molar concentration of this solution is:
A
4
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B
0.4
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C
0.0001
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D
0.04
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Solution
The correct option is
C
0.0001
p
H
=
4
,
[
H
+
]
=
10
−
p
H
[
H
+
]
=
10
−
4
=
0.0001
M
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