A beaker with 105 mL of an acetic acid buffer with a pH of 5.000
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Chemistry
A beaker with 105 mL of an acetic acid buffer with a pH of 5.000is sitting on a benchtop. The total molarity of acid and conjugatebase in this buffer is 0.100 M. A student adds 4.30 mL ofa 0.400 M HCl solution to the beaker. How much will the pHchange? The pKa of acetic acid is 4.740.
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Given CH3COOH Molarity 01 M volume buffer 0105 L CH3COO Molarity 01 M Calculation of mol of acetic acid Mol Molarity x volume in L n CH3COOH 01 M x 0105 L 00105 mol acetic acid Calculation moles of conjugate base n CH3COO 01 M x 0105 L 00105 mol Both have
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