Topics

Eight topics on titration, in a suggested order. You can open any topic that is ready.

1. Topic 1

   Read the glassware

   Read a burette to the nearest 0.05 cm³ and work out the volume used.

   About 5 minutes. Suggested first.

   Checking this phone.

2. Topic 2

   Your first titration

   Run a rough titration, then accurate ones, stop at the first change, fill the table and average the titres that agree.

   About 15 minutes. Suggested after topic 1.

   Checking this phone.

3. Topic 3

   Find the unknown

   Find a hidden concentration in mol dm⁻³ and g dm⁻³ from your own titres.

   About 15 minutes. Suggested after topic 2.

   Checking this phone.

4. Topic 4

   Make a standard, standardise an acid

   Make a primary standard and use sodium carbonate to find the exact concentration of an acid.

   Suggested after topic 3.

   Coming soon. Not built yet, so there is nothing to open.

5. Topic 5

   What went wrong?

   Predict and find a hidden mistake in how a titration was done.

   Suggested after topic 2.

   Coming soon. Not built yet, so there is nothing to open.

6. Topic 6

   Weak acids and the right indicator

   See why a weak acid needs a different indicator, from how the flask changes near the end.

   Suggested after topic 3.

   Coming soon. Not built yet, so there is nothing to open.

7. Topic 7

   Redox with permanganate

   Titrate iron(II) with potassium permanganate, using its 1 to 5 ratio.

   Suggested after topic 3.

   Coming soon. Not built yet, so there is nothing to open.

8. Topic 8

   Back titration

   Find how pure a base is when it does not dissolve, by titrating what is left over.

   Suggested after topic 3.

   Coming soon. Not built yet, so there is nothing to open.