Formic Acid (HCO₂H) Is a Weak Acid Found in the Venom

question 17

Multiple Choice

Formic acid (HCO₂H) is a weak acid found in the venom of bees and ant stings.Which of the following is an accurate statement concerning an aqueous solution of formic acid? HCO₂H(aq) + H₂O(l) H₃O⁺(aq) + HCO₂−(aq) K_a = 1.8 × 10⁻⁴

• A)The reaction between formic acid and water is slow, due to the low value for K_a.
• B)A formic acid solution predominantly contains undissociated HCO₂H molecules.
• C)A formic acid solution predominantly contains H₃O⁺ and HCO₂− _ions.
• D)A formic acid solution contains a greater concentration of dissolved ions than it does neutral formic acid molecules.
• E)A formic acid solution contains equal amounts of H₃O⁺ and HCO₂H.

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Definitions:

Randomization

The process of making choices randomly (or as if by chance), often used in experiments to eliminate bias and ensure an unbiased distribution of experimental conditions.

Repetition

The act or an instance of repeating something, often for emphasis, learning or effect.

Sampling Method

The technique or process used to select a sample from a population for statistical analysis.

Stratified Sample

A stratified sample involves dividing a population into smaller groups, or strata, and randomly sampling from each stratum to ensure representation of all groups.