Open Question
Given that a base has a Kb value of 8.36×10−4, what is the Ka of its conjugate acid?
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17. Acid and Base Equilibrium
Ka and Kb
Multiple Choice
For the following acids in water, which is the weakest acid?
A
B
(acetic acid)
C
D
Verified step by step guidance1
Identify the acids given: sulfuric acid (H\_2SO\_4), nitric acid (HNO\_3), hydrochloric acid (HCl), and acetic acid (CH\_3COOH).
Recall that acid strength in water is related to the acid's ability to donate a proton (H\^+), which depends on the stability of its conjugate base and the degree of ionization.
Recognize that strong acids like H\_2SO\_4, HNO\_3, and HCl completely ionize in water, making them strong acids.
Understand that acetic acid (CH\_3COOH) is a weak acid because it only partially ionizes in water, meaning it donates protons less readily compared to the strong acids.
Conclude that among the given acids, acetic acid is the weakest acid due to its partial ionization and lower tendency to donate protons.
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