4. A good buffer must contain which of the following? O A. a weak acid B....

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4. A good buffer must contain which of the following? O A. a weak acid B. a weak base C. a weak acid and its conjugate base O D. a strong acid 5. Which of the following is true? A. A high pka means the molecule is considered to be an acid. O B. A high pKa means the molecule is considered to be a base. O C. A low pka means the molecule is considered a base. 4. A good buffer must contain which of the following? O A. a weak acid B. a weak base C. a weak acid and its conjugate base O D. a strong acid 5. Which of the following is true? A. A high pka means the molecule is considered to be an acid. O B. A high pKa means the molecule is considered to be a base. O C. A low pka means the molecule is considered a base.

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1 A dauffer is a salution thal een compensate fon unit 4 change af pH A good buffer is that e weaka... View the full answer