Formic Acid, Which Is a Component of Some Insect Venoms

question 49

Multiple Choice

Formic acid, which is a component of some insect venoms, has a K_a = 1.8 × 10^-4. What is the [H₃O⁺] in a solution that is initially 0.10 M formic acid, HCOOH?

• A) 4.2 × 10^{-3 M}
• B) 8.4 × 10^{-3 M}
• C) 1.8 × 10^{-4 M}
• D) 1.8 × 10^{-5 M}
• E) 1.8 × 10^{-6 M}

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Definitions:

Realistic Conflict Theory

The view that as competition increases among social groups for scarce resources, so do prejudice, discrimination, and hatred.

Prejudice

Hostile or negative attitudes toward people in a distinguishable group, based solely on their membership in that group, often rooted in stereotypes and unfounded beliefs.

Realistic Conflict Theory

A social psychological model that explains intergroup conflicts, prejudice, and discrimination as resulting from actual competition between groups for desired resources.

Scarce Resources

Resources that are limited in availability and cannot satisfy all the demands placed on them by humans.