A crash course on the basic differences between acids and bases. A crash course on the basic differences between acids and bases, complete with a classroom-friendly experiment demonstrating the ...

This lab includes a theoretical explanation of how buffers work and how they are made, including a derivation of the Henderson-Hasselbalch equation. Students will use what they have learned to ...

Carefully chop the cabbage and put small pieces into the bowl with 250ml of water from the tap, then mash it with a fork until the water turns bright purple. Pour 20-30ml of the purple liquid into ...

The answer is straightforward: phenolphthalein turns colorless in an acidic solution. When the pH of the solution is below 8.3, the indicator remains in its non-ionized form, which does not absorb ...