Formic acid dissociates reversibly according to the following equation. \ HCOOH(aq) ⇌ HCOO-(aq) + H+(aq) Write the law of mass action for this equilibrium. K = Is the equilibrium constant in (a) a Ka? Briefly explain.
Formic acid dissociates reversibly according to the following equation. \ HCOOH(aq) ⇌ HCOO-(aq) + H+(aq) Write the law of mass action for this equilibrium. K = Is the equilibrium constant in (a) a Ka? Briefly explain.
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter16: Reactions Between Acids And Bases
Section: Chapter Questions
Problem 16.87QE
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- Formic acid dissociates reversibly according to the following equation. \
HCOOH(aq) ⇌ HCOO-(aq) + H+(aq)
- Write the law of mass action for this equilibrium.
K = - Is the equilibrium constant in (a) a Ka? Briefly explain.
- If a solution is initially 0.20 mol/L HCOOH and the equilibrium constant in (a) is 1.8 × 10-4, what is the concentration of hydrogen ions at equilibrium? Show your work.
Use the value obtained in (c) to find the solution’s pH and pOH at 25 °C. If you were unable to complete (c), you may assume a 0.0030 mol/L concentration of hydrogen ions.
- Would the addition of sodium formate (NaHCOO) to this solution increase pH? Explain.
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