The concentration of hydroxide ion in an aqueous solution at 25°C is 1.1 x 10-4 M. What is the concentration of the hydronium ion?

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The concentration of hydroxide ion
in an aqueous solution at 25°C is 1.1
x 10-4 M. What is the concentration
of the hydronium ion?
M
1
2
3
4
6.
C
7
8
+/-
x 10 0
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Transcribed Image Text:Question 6 of 6 Submit The concentration of hydroxide ion in an aqueous solution at 25°C is 1.1 x 10-4 M. What is the concentration of the hydronium ion? M 1 2 3 4 6. C 7 8 +/- x 10 0 Tap here or pull up for additional resources LO
Expert Solution
Step 1

In an aqueous solution, the the concentration of hydroxide ion and the concentration of hydronium ion always exist in equilibrium due to auto-ionization of water (KW) that is the equilibrium constant.

Water dissociates and exists in equilibrium as 2H2O(l)H3O+(aq)+OH-(aq)

The autoionization of water (KW) is the product of H3O+ ion concentration and OH- ion concentration.

Kw=H3O+·OH-

At 25oC, the value of KW = 1 x 10-14. 

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