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To prepare a buffer solution of pH=4.04,...

To prepare a buffer solution of pH=4.04, amount of Barium acetate to be added to 100 mL of 0.1 M acetic acid solution `[pK_b(CH_(3)COO^(-))=9.26]` is:

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To prepare a buffer solution of pH = 4.04 using 100 mL of 0.1 M acetic acid and barium acetate, we can follow these steps: ### Step 1: Understand the relationship between pH, pKa, and the concentrations of the acid and its salt. The Henderson-Hasselbalch equation is used to calculate the pH of a buffer solution: \[ \text{pH} = \text{pKa} + \log\left(\frac{[\text{Salt}]}{[\text{Acid}]}\right) \] Where: ...
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