A Solution Consisting of 0

question 4

Multiple Choice

A solution consisting of 0.250 mol of methylbenzene,C₆H₅CH₃,in 244 g of nitrobenzene,C₆H₅NO₂,freezes at -1.2°C.Pure nitrobenzene freezes at 6.0°C.What is the freezing-point depression constant of nitrobenzene?

• A)4.8°C/m
• B)3.5°C/m
• C)29°C/m
• D)7.0°C/m
• E)14°C/m

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Definitions:

Variance

A measure of the dispersion or spread of a set of data points, calculated as the average of the squared deviations from the mean.

Binomial Distribution

A probability distribution that represents the number of successes in a fixed number of independent trials, with only two possible outcomes.

Binomial Experiment

An experiment or trial that leads to two possible outcomes, often termed success and failure, and follows a binomial distribution.

Identical Trials

Trials in a probability experiment that share the same conditions and possible outcomes.