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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.Ka = 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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