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Byju's Answer
Standard VII
Chemistry
Nersnt Equation
Calculate the...
Question
Calculate the concentration of
O
H
−
ions in solution when
[
H
+
]
=
6.2
×
10
−
2
m
o
l
L
−
1
.
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Solution
We know,
[
H
+
]
×
[
O
H
−
]
=
1
×
10
−
14
at
25
o
C
(Given:
[
H
+
]
=
6.2
×
10
−
2
m
o
l
L
−
1
)
Thus,
[
O
H
−
]
=
1
×
10
−
14
6.2
×
10
−
2
=
1.61
×
10
−
13
m
o
l
L
−
1
H
2
O
⟶
O
H
−
+
H
+
[
O
H
−
]
=
[
H
2
O
]
[
H
+
]
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0
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