Which of the Following Will Cause the Calculated Molar Mass

question 46

Multiple Choice

Which of the following will cause the calculated molar mass of a compound determined by the freezing-point depression method to be greater than the true molar mass?

• A)Water gets into the solvent after the freezing point of the pure solvent is determined.
• B)Some of the solute molecules break apart.
• C)The mass of solvent is smaller than determined from the weighing.
• D)While adding the solute,some was spilled on the lab bench.
• E)All of the above.

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Definitions:

Retroactive Interference

A phenomenon in psychology where newly acquired information interferes with the recall of previously learned information.

Repression

A psychological defense mechanism where distressing thoughts, memories, or impulses are unconsciously pushed out of conscious awareness.

Semantic Memory

A type of long-term memory involving the storage of general knowledge, facts, concepts, and meanings not tied to specific experiences.

Concepts

Mental representations or understandings of categories or classifications of objects, events, or people, based on shared properties or characteristics.