Conjugate acid-base pairs table with fill-in-the-blank exercises and questions on base strength.

1. H₂SO₄, HSO₄⁻, H₂SO₄ ⇌ H⁺ + HSO₄⁻
2. H₃PO₄, H₂PO₄⁻, H₃PO₄ ⇌ H⁺ + H₂PO₄⁻
3. HF, F⁻, HF ⇌ H⁺ + F⁻
4. HNO₃, NO₃⁻, HNO₃ ⇌ H⁺ + NO₃⁻
5. H₂PO₄⁻, HPO₄²⁻, H₂PO₄⁻ ⇌ H⁺ + HPO₄²⁻
6. H₂O, OH⁻, H₂O ⇌ H⁺ + OH⁻
7. HSO₄⁻, SO₄²⁻, HSO₄⁻ ⇌ H⁺ + SO₄²⁻
8. HPO₄²⁻, PO₄³⁻, HPO₄²⁻ ⇌ H⁺ + PO₄³⁻
9. NH₄⁺, NH₃, NH₄⁺ ⇌ H⁺ + NH₃
10. H₃O⁺, H₂O, H₃O⁺ ⇌ H⁺ + H₂O

H₂PO₄⁻
NO₂⁻