Most of It Never Ionizes

You'll learnwhy a weak acid stops partway, how Kₐ ranks the ones that do, and how to solve for the pH that results.

Two beakers, both made up to 0.100 M. In one, every molecule has come apart. In the other, ninety-nine out of a hundred are still whole, and the pH is two units higher. Twelve short steps; press Next for each one.

12 STEPS · 6 QUICK CHECKS · K_a RANKS THEM · ICE TABLE · 5% GATE · v2

a hundred molecules each · and only one of them comes apart

Before you start

What you're looking at

Two beakers of acid at the same concentration, each drawn as a hundred particles.

The question

Same label on both, so why has only one of them come apart?

Step 1 / 12