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What is the hydroxide ion concentration of a solution with a hydrogen ion concentration of 7.58 × 10-10 M?
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31 votes
31 votes
What is the hydroxide ion concentration of a solution with a hydrogen ion concentration of 7.58 × 10-10 M?

User GregV
by
2.2k points

1 Answer

14 votes
14 votes
p
H
≅
4

Step-by-step explanation:
p
H
=
−
log
10
[
H
3
O
+
]
.
We are given that
[
H
3
O
+
]
=
7.10
×
10
−
5
⋅
m
o
l
⋅
L
−
1
.
And thus
p
H
=
−
log
10
(
7.10
×
10
−
5
)
≅
4
User Rejeev Divakaran
by
2.6k points
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