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Type: Multiple-Choice
Category: Acids and Bases
Level: College
Author: radiance
Created: 10 years ago

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Acids and Bases Question

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College Acids and Bases

Which of the following equations correctly presents Ostwald's dilution equation for a weak acid?

Assume the following in answering this question:
α= degree of dissociation of the acid
Ka= acid dissociation constant
V = Volume of the acidic solution
α is very small
  1. Ka=α2/V
  2. Ka=αV
  3. Ka=α3V
  4. Ka=α3/V