A Magnesium Sulfate Heptahydrate Solution, Which Is 18

question 79

Multiple Choice

A magnesium sulfate heptahydrate solution, which is 18.00% by weight in the anhydrous compound, has a density at 20°C of 1.20 g/mL. What is the molarity of the anhydrous compound in the solution? (Atomic weights: H = 1.0, O = 16.0, S = 32.1, Mg = 24.3)

• A) 5.54 M
• B) 1.79 M
• C) 1.82 M
• D) 1.25 M
• E) 1.49 M

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Definitions:

Main Effect

The direct influence of an independent variable on a dependent variable in an experiment.

Simple Effect

A statistical term that describes the effect of one factor at a specific level of another factor within an ANOVA test.

Marginal Mean

The average value of a variable across different levels of another variable, often used in the context of multivariate experiments and statistical analysis.

Men

Adult human males, often mentioned in socio-demographic and health-related research studies.