Acids, Bases and pH Problems
1. Use the Internet to search for the names of 3 acids that were not mentioned in
this activity. State them here.
- Isovaline → C₅H₁₁NO₂
- Benzoic acid → C₆H₅COOH
- Methanoic acid → HCO₂H
2. Which of the following contain acids?
These contain acids:
- Hydrochloric acid
- Wine
- Car battery
- Tap water (sometimes, can be slightly acidic or slightly basic)
- Lemon juice
3. Write the dissociation equation for:
a. H₃PO₂ → H ⁺ + H₂PO₂ ⁻
b. Mg(OH)₂ → Mg ²⁺ + 2OH ⁻
4. Calculate the pH of the following solutions:
1. Use the Internet to search for the names of 3 acids that were not mentioned in
this activity. State them here.
- Isovaline → C₅H₁₁NO₂
- Benzoic acid → C₆H₅COOH
- Methanoic acid → HCO₂H
2. Which of the following contain acids?
These contain acids:
- Hydrochloric acid
- Wine
- Car battery
- Tap water (sometimes, can be slightly acidic or slightly basic)
- Lemon juice
3. Write the dissociation equation for:
a. H₃PO₂ → H ⁺ + H₂PO₂ ⁻
b. Mg(OH)₂ → Mg ²⁺ + 2OH ⁻
4. Calculate the pH of the following solutions:
