Acid/Base Equilibria

<p>I'm having some trouble with this topic in AP Chemistry right now...
The questions that are very straightforward are [obviously] much easier for me than, say, buffer or common-ion problems.
Our teacher sped through this chapter fairly quickly, and covered buffers and common-ions in basically one hour, and is testing us on this chapter tomorrow.</p>

<p>Does anyone know of some websites that have practice AP Acid/Base problems? It would be even greater if the problems had solutions/explanations.</p>

<p>All I have at home is a Barron's AP Chemistry book, but I guess buying that was a waste of time, since my teachers claims the problems in the book are "too easy" for her taste.</p>

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<p>Thanks in advance!</p>

<p>Use <a href="http://www.shs.nebo.edu/Faculty/Haderlie/apchem/MC.pdf%5B/url%5D"&gt;http://www.shs.nebo.edu/Faculty/Haderlie/apchem/MC.pdf&lt;/a> in conjunction with the MC tests on
[url=<a href="http://www.gashalot.com/chem/dbhs.wvusd.k12.ca.us/ChemTeamIndex2.html%5Dhere%5B/url"&gt;http://www.gashalot.com/chem/dbhs.wvusd.k12.ca.us/ChemTeamIndex2.html]here[/url&lt;/a&gt;] for past problems on acid-base equilibria. We're on the same thing in my class and I'm using it to study.</p>