pH of Aqueous Salt Solutions
- When a salt dissolves in water, the aqueous solution may be acidic, basic or neutral.
- The relative strength of the acid and base used to produce the salt can be used to decide whether the aqueous salt solution is acidic, basic, or neutral.
aqueous solutions strong acid weak acid strong base neutral salt basic salt weak base acidic salt "neutral salt"*
- If the temperature of the aqueous solution is 25°C1, we can predict whether the aqueous salt solution will have a pH equal to 7, pH less than 7, or a pH greater than 7.
strong acid weak acid strong base pH = 7 pH > 7 weak base pH < 7 pH ≈ 7 2