Strong Acid + Weak Base Salt

Rarely Tested

$$K_h = \frac{K_w}{K_b} \qquad h = \sqrt{\frac{K_h}{C}} \qquad \text{pH} = 7 - 0.5 \cdot (\text{p}K_b + \log_{10}C)$$

Concept: Calculates the hydrolysis properties and acidic pH behavior of a salt formed from a strong acid and a weak base.

Notation:

  • $$K_h$$ = Hydrolysis constant;
  • $$h$$ = Degree of hydrolysis;
  • $$C$$ = Salt concentration;
  • $$K_w$$ = Ionic product of water;
  • $$K_b$$ = Base dissociation constant.
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