Salts formed by a strong base and a weak acid are basic in nature, with a pH value greater than 7. This signifies the presence of excess base.
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Salts produced from a strong base and a weak acid are basic in nature. In this scenario, the strong base (e.g., sodium hydroxide, NaOH) fully neutralizes the weak acid (e.g., acetic acid, CH₃COOH), leading to the formation of a salt and water. The resulting salt solution has hydroxide ions (OH⁻) from the base, imparting basic properties. The pH of the solution will be greater than 7.0. An example is sodium acetate (CH₃COONa), derived from the reaction between sodium hydroxide and acetic acid, which imparts a slightly basic pH to its aqueous solution.