How can you verify that Km has units of molarity using rate constants?

• A. By showing that the units of (k-1 + k2) / k1 simplify to molarity.
• B. By showing that the units of k2 / (k1 + k-1) simplify to molarity.
• C. By showing that the units of (k1 + k2) / k-1 simplify to molarity.
• D. By showing that the units of k1 / (k-1 + k2) simplify to molarity.

Answer: (A)