UTC: Friday, February 22nd, 2019

Writing good answers to AP Acid-Base problems

Here’s the latest in the ‘writing good answers’ series, Writing good answers to AP Acid-Base problems. It’s probably the toughest topic on the exam for students, or at least it seems to be, so here are a few pointers that might help when answering questions on acid and bases on the AP chemistry exam. 1. […]

Math, Buffers and H-H (part 2)

Following this post, I wanted to follow up with another quick note on the math of buffers as it relates to the new (when will I stop calling it that?), AP chemistry curriculum. If I am honest, this post repeats some of the stuff from the previous post on the subject, but I think it […]

Math, buffers and H-H, revisited in the new curriculum

I think that there are (unfortunately) some useful, simple math things to know when it comes to buffers and H-H in the new AP chemistry curriculum. Obviously, it has always been crucial to know that when the ratio of weak acid to conjugate base (or weak base to conjugate acid) in a buffer solution is […]

AP Worksheet 14x – missing answers

Click below for the answers to the questions from AP Worksheet 14x that we did not do in class. 1987, 1 1992, 6 2001, 3 2004B, 5 2005B, 1 2006B, 1