AP Chem - 2002 FR Solutions

<p>Does anyone know where I can find this?</p>

<p>I need help with the following problem:</p>

<p>A 100 mL sample of .10 M HCl is added to 100 mL of .50M HC3H5O3. Calculate [C3H5O3-] in the solution.</p>

<p>I calculated the Ka for lactic acid to be 1.4 x 10^-4.</p>

<p>apcentral.collegeboard.com - it has all the FR answers from 1999 onwards, just sign up for it and say you're a teacher</p>