An Aqueous Solution Has [HC₇H₅O₂] = 0

question 59

Multiple Choice

An aqueous solution has [HC₇H₅O₂] = 0.100 M and [Ca(C₇H₅O₂) ₂] = 0.200 M.K_a = 6.3 × 10^-5 for HC₇H₅O₂.The solution volume is 5.00 L.What is the pH of the solution after 10.00 mL of 5.00 M NaOH is added?

• A)4.80
• B)4.86
• C)4.65
• D)4.70
• E)4.75

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