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Mansoura National University
Pharm D-Clinical Pharmacy Program Level 1 Pharm. Anal. Chem. 1 (PC 101)
The pH of Aqueous Solutions
1) Aqueous solution of acids (e.g. HCl or acetic acid): pH < 7
2) Aqueous solution of bases (e.g. NaOH or NH OH): pH > 7
4
3) Aqueous solution of salts of strong acid & strong base is neutral
+ -
(Na Cl ): pH = 7
4) Aqueous solution of salts of strong acid & weak base is acidic: pH < 7
5) Aqueous solution of salts of weak acid & strong base is basic, pH > 7
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