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 this solution after 5.00 mL 10.0 M HCl(aq) is added?
A) 4.80
B) 4.86
C) 4.65
D) 4.70
E) 4.75
Correct Answer:
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