Calculate the pH for the following weak acid. A solution of HCOOH has 0.21 M HCOOH at equilibrium. The Ka for HCOOH is 1.8 x 10-4. What is the pH of this solution at equilibrium? Express the pH numerically. • View Available Hint(s)
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Looking Ahead: Ka and pH
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The larger the value of Ka, the stronger the acid, and the lower the pH of an aqueous solution of that acid for a given concentration of acid.
For an example of these concepts, launch the following video. Answer the questions in the video as you watch it to make sure you understand these principles.
HCOOH H
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Part A
Calculate the pH for the following weak acid.
A solution of HCOOH has 0.21 M HCOOH at equilibrium. The Ka for HCOOH is 1.8 x 10¬4. What is the pH of this solution at equilibrium?
Express the pH numerically.
• View Available Hint(s)
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