What Is the Freezing Point of a Solution Made from 22.0

question 124

Multiple Choice

What is the freezing point of a solution made from 22.0 g of octane (C₈H₁₈) dissolved in 148.0 g of benzene? (For benzene, freezing point = 5.50°C; K_f = 5.12°C/m)

• A) -1.16°C
• B) 0.98°C
• C) 6.66°C
• D) 12.2°C
• E) 5.49°C

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Definitions:

Monotonic Preferences

Preferences that are consistent in their direction; that is, if a consumer prefers bundle A to B, they will not prefer B to A under any circumstances.

Marginal Rate

Often used in context as marginal rate of substitution or marginal rate of transformation, indicating the rate at which one good can be substituted for another or one output can be exchanged for another in production without altering the overall level.

Substitution

The economic principle describing how consumers replace more expensive items with less costly alternatives.

Indifference Curves

Graphs showing different bundles of goods between which a consumer is indifferent, highlighting preferences.