What Is the PH of a Solution That Consists of 0.50

question 9

Multiple Choice

What is the pH of a solution that consists of 0.50 M H₂C₆H₆O₆ (ascorbic acid) and 0.75 M NaHC₆H₆O₆ (sodium ascorbate) ? For ascorbic acid, K_a = 6.8 *10¯⁵

• A) 3.76
• B) 3.99
• C) 4.34
• D) 4.57
• E) 5.66

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