Multiple Choice
You want to maintain pH = 7.0 for an enzyme-catalyzed reaction that will produce hydrogen ions along with the desired product. At equal concentrations, which weak acid, if any, will serve as the better buffer for the reaction: acid A, with pKa = 6.5, or acid B, with pKa = 7.5?
A) acid A
B) Water is as good as either of the acids available.
C) acid B
D) Both are equally effective.
Correct Answer:
Verified
Correct Answer:
Verified
Q75: Which property of water does NOT contribute
Q76: Three buffers are made by combining a
Q77: Suppose you have just added 100 mL
Q78: Define pK<sub>a</sub> for a weak acid in
Q79: Which process would NOT disrupt the weak
Q81: Osmosis is movement of a:<br>A) charged solute
Q82: Water can act as _ in biological
Q83: What is the CORRECT terminology for reactions
Q84: Which statement CORRECTLY describes the forces that
Q85: A hydronium ion:<br>A) has the structure H<sub>3</sub>O<sup>+</sup>.<br>B)