Chem/Phys · 5A

Solutions, acids, and bases

Content category 5A. 15 questions in 3 sets, each with reasoning for every answer choice.

Set 1 · Acids and bases

  1. pH of a strong acideasy
  2. Lewis acids vs. Lewis baseseasy
  3. pH from hydroxide concentrationeasy
  4. pH when the coefficient isn't 1medium
  5. pH of a weak acid solutionhard

Set 2 · Buffers

  1. Henderson–Hasselbalch: buffer pH from a ratioeasy
  2. Choosing a buffer for pH 7.4hard
  3. Common ion effecteasy
  4. Solubility from K<sub>sp</sub> for a 1:2 salthard
  5. Boiling point elevation and the van 't Hoff factoreasy

Set 3 · Solutions

  1. Serial dilutioneasy
  2. Dilution: how much water to addmedium
  3. Freezing point depression of salt watermedium
  4. Calculating osmotic pressurehard
  5. Equivalence point pH: weak acid with strong basemedium