A 020 M Solution of MgSO₄ Has an Observed Osmotic Pressure

question 19

Multiple Choice

A 0.20 M solution of MgSO₄ has an observed osmotic pressure of 7.7 atm at 25°C.Determine the observed van't Hoff factor for this experiment.

• A) 2.0
• B) 1.6
• C) 0.31
• D) 19
• E) 1.8

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Definitions:

Degrees Freedom

Degrees of freedom refer to the number of independent values or quantities which can be assigned to a statistical distribution or to the number of variables minus the number of constraints in a system.

F-ratio Equation

A statistic used in ANOVA tests, calculated as the variance between group means divided by the variance within the groups.

Criterion Variable

Variable in a correlational research study predicted by a predictor variable.

Predictor Variables

Independent variables used in regression analyses to predict or explain variations in the dependent variable.