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The document summarizes an experiment on buffer solutions. Students prepared an acidic buffer solution by mixing acetic acid (CH3COOH) and sodium acetate (CH3COONa), and a basic buffer solution by mixing ammonium hydroxide (NH4OH) and ammonium chloride (NH4Cl). They determined the initial pH of each buffer. Small amounts of strong acid or base were then added and the pH was measured after each addition. The pH remained stable as additions were made, demonstrating the buffer capacity of the solutions. Graphs

Author

Rizka Nur Farida

Language

EN