Calculate the Percent Ionization of Formic Acid (HCO₂H) in a Solution

question 34

Multiple Choice

Calculate the percent ionization of formic acid (HCO₂H) in a solution that is 0.219 M in formic acid. The K_a of formic acid is 1.77 × 10^{- 4}.

• A) 12.2
• B) 3.94 × 10^{- 5}
• C) 0.280
• D) 0.0180
• E) 2.87

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Definitions:

Electron Transport Chain

A series of protein complexes embedded in the mitochondrial or cellular membrane that facilitates the transfer of electrons, generating a proton gradient used to produce ATP.

Water

A transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms.

Fermentation

A metabolic process that produces chemical changes in organic substrates through the action of enzymes, leading to the production of energy in the absence of oxygen.

ATP Production

The process by which cells generate adenosine triphosphate (ATP), the main energy currency of the cell, through pathways such as cellular respiration or photosynthesis.