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How can the ionization of water be represented?

Answer 1

Because water can ionize to some extent, according to the given reaction.

#2H_2O rightleftharpoons H_3O^+ + OH^-#

This is another equilibrium reaction; and is most commonly quoted for a temperature of #298# #K#.

At this temperature, #K_a# #=# #[H_3O^+][OH^-]# #=# #10^(-14)#. Would you expect #K_a# to increase or decrease at temperatures #># #298K#? Why or why not?

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Answer 2

Naomi Aronson

The ionization of water can be represented by the equation: H₂O (liquid) ⇌ H⁺ (aq) + OH⁻ (aq)

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.