Equilibrium Constant Calculator

Weak Acid Equilibrium Tutorial

You will be able to calculate the dynamic position of a weak acid equilibrium. The bar graphs at the bottom will show the concentrations initially and at equilibrium.

1. (Optional) You may enter your compounds and equation in the boxes if you wish.
2. Enter initial concentration and Ka for this acid:
3. Click the CALCULATE button to see the calculated K_eq and concentrations on the bar graphs below.
4. Now vary the inital concentration of your acid and watch how much the equilibium concentrations change.

Try changing the type of acid and use its Ka.

Notice how much more of the original weak acid species is present until the Ka gets very close to 1.

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Try changing the type of acid and use its Ka.

Notice how much more of the original weak acid species is present until the Ka gets very close to 1.