Find the Percent Ionization of a 0

question 146

Multiple Choice

Find the percent ionization of a 0.400 mol L^-1 solution of formic acid. The K_a of formic acid is 1.8 × 10^-4.

• A) 3.4%
• B) 2.1%
• C) 1.1%
• D) 3.5%
• E) 4.6%

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Definitions:

Compound Name

The unique name given to a chemical substance, describing its composition and molecular structure.

Propanoic Acid

A naturally occurring organic compound with the formula C2H5COOH, used in the manufacture of various plastics and preservatives.

Line Structure

A simplified representation of a chemical structure using lines to denote chemical bonds and avoiding explicit representation of carbon and hydrogen atoms.

Butanoic Acid

A carboxylic acid with the formula C4H8O2, also known as butyric acid, with a characteristic unpleasant smell, used in the manufacturing of various esters.