What Molality of Pentane Is Obtained by Dissolving 50

question 137

Multiple Choice

What molality of pentane is obtained by dissolving 50.0 g pentane,C₅H₁₂,in 245.0 g hexane,C₆H₁₄?

• A)0.200 m
• B)0.240 m
• C)2.83 m
• D)200.m

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Definitions:

Short-Term Memory

The component of memory that holds a small amount of information in consciousness for a brief period.

Parallel

Occurring or existing at the same time or in a similar manner, often used in computing to describe processes that are carried out simultaneously.

Serially

Pertaining to processes or events occurring one after another in a sequential order.

Broadbent

Refers to Donald Broadbent, a British cognitive psychologist known for his work on information processing and the filter model of attention.