Which of the Following Aqueous Solutions Will Freeze at the Lowest

question 36

Multiple Choice

Which of the following aqueous solutions will freeze at the lowest temperature?

• A) 0.10 m KCl
• B) 0.20 m C₆H₁₂O₆ (glucose)
• C) 0.050 m AlCl₃
• D) 0.15 m SrBr₂
• E) All of the above freeze at the same temperature.

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Definitions:

Standard Deviation (σ)

An approach to gauge the level of inconsistency or scatter within data values.

Mean (μ)

The mathematical average of a set of numbers, calculated by adding all the numbers together and then dividing by the count of those numbers.

Standard Deviation (σ)

A measure of the amount of variation or dispersion of a set of values; a low standard deviation indicates that the values tend to be close to the mean, while a high standard deviation indicates that the values are spread out over a wider range.

Mean (μ)

The average of a set of numbers, calculated by dividing the sum of these numbers by the count of numbers in the set.