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Chemistry
Chemistry
Problem
At
90
∘
C
90^\circ\text{C}
9
0
∘
C
, pure water has
[
H
3
O
+
]
=
10
−
6
[\text{H}_3\text{O}^+] = 10^{-6}
[
H
3
O
+
]
=
1
0
−
6
mole litre
−
1
^{-1}
−
1
. What is the value of
K
w
K_w
K
w
at
90
∘
C
90^\circ\text{C}
9
0
∘
C
? a.
10
−
6
10^{-6}
1
0
−
6
b.
10
−
12
10^{-12}
1
0
−
12
c.
10
−
14
10^{-14}
1
0
−
14
d.
10
−
8
10^{-8}
1
0
−
8
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