A Solution Is Prepared by Dissolving 21

question 50

Multiple Choice

A solution is prepared by dissolving 21.0 g of glycerin ( ) in 201 g of ethanol The freezing point of the solution is ________°C. The freezing point of pure ethanol is . The molal freezing point depression constant ( ) for ethanol is The molar masses of glycerin and of ethanol are 92.1 g mol^-1 and 46.1 g mol^-1, respectively.

• A) -112.8
• B) -116.4
• C) 2.26
• D) -112.3
• E) -116.9

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Definitions:

Disengagement Theory

Theory of aging that holds that successful aging is characterized by mutual withdrawal of the older person and society.

Activities

Actions or tasks that individuals engage in, often for purposes of leisure, recreation, or achieving specific goals.

Commitments

Promises or obligations that an individual has decided to carry out or fulfill.

Adaptive Defenses

Psychological strategies employed by individuals to manage emotions and stress, often unconsciously, in a way that improves emotional well-being.