A Solution Is Prepared by Dissolving 23

question 52

Multiple Choice

A solution is prepared by dissolving 23.7 g of CaCl₂ in 375 g of water. The density of the resulting solution is 1.05 g/mL. The concentration of CaCl₂ in this solution is molal.

• A) 5.70
• B) 63.2
• C) 1.76
• D) 0.214
• E) 0.569

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Definitions:

Multistage Sampling

A complex form of sampling that involves selecting a sample through multiple stages, often used for large and complex populations.

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Systematic Random Sample

A systematic random sample is a method of sampling where elements are selected from an ordered sampling frame at regular intervals, starting from a random point.

Alphabetically

The arrangement of words or terms in the order of the letters of the alphabet.