Multiple Choice
A popular buffer solution consists of carbonate (CO32¯) and hydrogen carbonate (HCO3¯) conjugate acid-base pair. Which, if any, of the following such buffers can neutralize the greatest amount of added hydrochloric acid, while remaining within its buffer range?
A) 1 L of 0.9 M CO32¯ and 0.1 M HCO3¯
B) 1 L of 0.1 M CO32¯ and 0.9 M HCO3¯
C) 1 L of 0.5 M CO32¯ and 0.5 M HCO3¯
D) 1 L of 0.1 M CO32¯ and 0.1 M HCO3¯
E) They can all neutralize the same amount of hydrochloric acid.
Correct Answer:
Verified
Correct Answer:
Verified
Q28: A 10.0-mL sample of 0.75 M CH<sub>3</sub>CH<sub>2</sub>COOH
Q29: What volume of 0.200 M KOH must
Q29: Write the ion product expression for silver
Q30: Barium sulfate (BaSO<sub>4</sub>) is a slightly soluble
Q31: A 25.0-mL sample of 0.10 M C<sub>2</sub>H<sub>3</sub>NH<sub>2</sub>
Q34: Which one of the following is the
Q35: The pH of blood is 7.35. It
Q52: Use a carefully drawn and labeled diagram
Q89: What is the pK<sub>a</sub> for the acid
Q103: Make a clear distinction between buffer range