A Solution Is Prepared by Dissolving 23

question 24

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

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Definitions:

Unconscious Parts

Elements of the mind that are not within conscious awareness but influence judgments, feelings, or behavior.

Hypervigilance

An enhanced state of sensory sensitivity accompanied by an exaggerated intensity of behaviors whose purpose is to detect threats.

Dissociation

A mental process that causes a lack of connection in a person's thoughts, memory, and sense of identity.

Anhedonia

A lack of ability to find joy in activities usually considered pleasurable.