16.At the midpoint of a titration curve for valine A. The concentration of a conjugate base is equal to the concentration of a conjugate B. The pH equals the pKa C. The ability of the solution to buffer is best D. All of the above E. A and B only 17. The ratio of the concentration of a forms of a weak acid necessary to satisfy the Henderson-Hasselbalch equation. A. Conjugate acid; conjugate base B. Conjugate base; conjugate acid C. Proton donor; proton acceptor D. Proton acceptor; proton donor F B and D over describes the proportions of

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Chapter1: Chemical Foundations
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**Titration and Buffer Systems: Educational Quiz**

**Question 16: At the midpoint of a titration curve for valine**
A. The concentration of a conjugate base is equal to the concentration of a conjugate
B. The pH equals the pKa
C. The ability of the solution to buffer is best
D. All of the above
E. A and B only

**Question 17: The ratio of the concentration of a _______ over __________ describes the proportions of forms of a weak acid necessary to satisfy the Henderson-Hasselbalch equation.**
A. Conjugate acid; conjugate base
B. Conjugate base; conjugate acid
C. Proton donor; proton acceptor
D. Proton acceptor; proton donor
E. B and D
Transcribed Image Text:**Titration and Buffer Systems: Educational Quiz** **Question 16: At the midpoint of a titration curve for valine** A. The concentration of a conjugate base is equal to the concentration of a conjugate B. The pH equals the pKa C. The ability of the solution to buffer is best D. All of the above E. A and B only **Question 17: The ratio of the concentration of a _______ over __________ describes the proportions of forms of a weak acid necessary to satisfy the Henderson-Hasselbalch equation.** A. Conjugate acid; conjugate base B. Conjugate base; conjugate acid C. Proton donor; proton acceptor D. Proton acceptor; proton donor E. B and D
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