Formic acid owes its name to the fact that some ant (fourmi) species have specialised soldiers that defend their nest by spraying this compound. Its acid ionization constant of 1.8 × 10-4. HCOOH(aq) ⇌ HCOO-(aq) + H+(aq) Use the information provided to obtain the pH (to 1 decimal figure) of a 0.5 mol/L aqueous solution of formic acid. Show all work. An IRE or IREC table is not required but recommended.

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
Chapter15: Solutions Of Acids And Bases
Section: Chapter Questions
Problem 15.123QE: Pure liquid ammonia ionizes in a manner similar to that of water. (a) Write the equilibrium for the...
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Formic acid owes its name to the fact that some ant (fourmi) species have specialised soldiers that defend their nest by spraying this compound. Its acid ionization constant of 1.8 × 10-4.

HCOOH(aq) ⇌ HCOO-(aq) + H+(aq)
Use the information provided to obtain the pH (to 1 decimal figure) of a 0.5 mol/L aqueous

solution of formic acid. Show all work. An IRE or IREC table is not required but recommended.

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