Question: The correct answer is E but i'm not sure how my teacher got that 7. What is the approximate fraction of [A]/[HA] (where for acid

The correct answer is E but i'm not sure how my teacher got that

7. What is the approximate fraction of [A]/[HA] (where for acid HA,pKa=9.0 ) at pH11 ? (A) 1/10 (B) 30/1 YC) 1/100 pt=pha+log[HA][A]2=log[HA][A] (D) 300/1 (E) 100/1 119=9+log[HA][A]9

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