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What Is the PH of a Buffer Made by Combining

Question 83

Multiple Choice

What is the pH of a buffer made by combining 181 mL of 0.34 M NaC₂H₃O₂ with 170 mL of 0.28 M HC₂H₃O₂? The K_a of acetic acid is 1.75 × 10^-5.

A) 4.88
B) 4.64
C) 5.93
D) 4.83
E) 5.38

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