An Acetic Acid Buffer Containing 0

question 20

Multiple Choice

An acetic acid buffer containing 0.50 M CH₃COOH and 0.50 M CH₃COONa has a pH of 4.74. What will the pH be after 0.0020 mol of HCl has been added to 100.0 mL of the buffer?

• A) 4.77
• B) 4.71
• C) 4.68
• D) 4.62
• E) 1.70.

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