Acid dilution

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If you have and dilute it, what happens to the pH?

The book says that since decreases, the pH should increase.

But c'mon c'mon, when you're diluting a solution would you not only decrease , but also decrease ? Because the concentration of everything in the solution decreases, right? (cept water of course)

How then are we supposed to maintain ?

[StringFever]

I thought it would get a net forward reaction - I mean aren't you just adding more water (a reactant)?!

[TrueTears]

I thought it would get a net forward reaction - I mean aren't you just adding more water (a reactant)?!

Not as simple as that, draw a conc-time graph.

Yes it will try to go forward but the final concentration of H3O+ will never be larger than the original. Thus the pH will increase.

With regards to the original question, don't think too deep, it's chem, it's not meant to make sense, if there's no OH- in the question, don't think about it.

[kendraaaaa]

I thought it would get a net forward reaction - I mean aren't you just adding more water (a reactant)?!

Yes but everything is diluted first, lowering the overall concentrations.