Multiple Choice
After adding 25.0 mL of 0.100 M NaOH to 100.0 mL of 0.100 M weak acid (HA) , the pH is found to be 5.90. Determine the value of Ka for the acid HA.
A) 4.2 × 10-7
B) 3.5 × 10-9
C) 1.6 × 10-11
D) 2.1 × 10-5
E) none of these
Correct Answer:
Verified
Correct Answer:
Verified
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