1. HCl + NH₃ → NH₄⁺ + Cl⁻
- Acid: HCl
- Base: NH₃
- Conjugate acid: NH₄⁺
- Conjugate base: Cl⁻
2. OH⁻ + HCN → H₂O + CN⁻
- Acid: HCN
- Base: OH⁻
- Conjugate acid: H₂O
- Conjugate base: CN⁻
3. PO₄³⁻ + HNO₃ → NO₃⁻ + HPO₄²⁻
- Acid: HNO₃
- Base: PO₄³⁻
- Conjugate acid: HPO₄²⁻
- Conjugate base: NO₃⁻
4. HCO₃⁻ + HCl → H₂CO₃ + Cl⁻
- Acid: HCl
- Base: HCO₃⁻
- Conjugate acid: H₂CO₃
- Conjugate base: Cl⁻
5. HCO₃⁻ + OH⁻ → H₂O + CO₃²⁻
- Acid: HCO₃⁻
- Base: OH⁻
- Conjugate acid: H₂O
- Conjugate base: CO₃²⁻
6. NH₄⁺ + H₂O → NH₃ + H₃O⁺
- Acid: NH₄⁺
- Base: H₂O
- Conjugate acid: H₃O⁺
- Conjugate base: NH₃
7. C₂O₄²⁻ + HC₂H₃O₂ → HC₂O₄⁻ + C₂H₃O₂⁻
- Acid: HC₂H₃O₂
- Base: C₂O₄²⁻
- Conjugate acid: HC₂O₄⁻
- Conjugate base: C₂H₃O₂⁻
8. HPO₄²⁻ + H₂O → OH⁻ + H₂PO₄⁻
- Acid: H₂O
- Base: HPO₄²⁻
- Conjugate acid: H₂PO₄⁻
- Conjugate base: OH⁻
Fill in the following table.
| | Acid | Base | Conjugate Acid | Conjugate Base | Equation |
|---|---|---|---|---|---|
| 9 | HNO₂ | H₂O | H₃O⁺ | NO₂⁻ | HNO₂ + H₂O → NO₂⁻ + H₃O⁺ |
| 10 | H₂O | F⁻ | HF | OH⁻ | H₂O + F⁻ → HF + OH⁻ |
| 11 | HCN | NH₃ | NH₄⁺ | CN⁻ | NH₃ + HCN → NH₄⁺ + CN⁻ |
| 12 | HClO₃ | H₂O | H₃O⁺ | ClO₃⁻ | HClO₃ + H₂O → ClO₃⁻ + H₃O⁺ |
| 13 | HSO₄⁻ | PO₄³⁻ | H₂PO₄⁻ | SO₄²⁻ | HSO₄⁻ + PO₄³⁻ → SO₄²⁻ + HPO₄²⁻ |
| 14 | H₂O | S²⁻ | HS⁻ | OH⁻ | S²⁻ + H₂O → HS⁻ + OH⁻ |
| 15 | HCO₂H | OH⁻ | H₂O | HCO₂⁻ | HCO₂H + OH⁻ → HCO₂⁻ + H₂O |
Parent Tip: Review the logic above to help your child master the concept of conjugate acids and bases worksheet.
