Determine the Vapour Pressure of a Solution at 55 °C

question 166

Multiple Choice

Determine the vapour pressure of a solution at 55 °C that contains 34.2 g NaCl in 375 mL of water. The vapour pressure of pure water at 55 °C is 0.1574 bar.

• A) 0.153 bar
• B) 0.127 bar
• C) 0.0967 bar
• D) 0.108 bar
• E) 0.0907 bar

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Definitions:

Range

The difference between the highest and lowest values in a set of data, indicating the spread or dispersion of the data points.

Interquartile Range

A measure of statistical dispersion, representing the difference between the upper (75th percentile) and lower (25th percentile) quartiles in a dataset.

Middle 50%

A statistical term referring to the interquartile range, which is the range between the 25th percentile and the 75th percentile of a data set.

Population Variance

A statistical measure of the dispersion of a set of values in a population, indicating how spread out the data points are from the population mean.