medium · MCAT chem-phys
A laboratory technician prepares a buffer by mixing 0.10 M acetic acid (CH₃COOH, pKa = 4.76) and 0.10 M sodium acetate (CH₃COO⁻).
If they then add 0.01 moles of NaOH to 1.0 L of this buffer, what is the approximate new pH?
- 12.0
- 4.85
- 5.76
- 4.76
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