At 20 °C, a 3

question 109

Multiple Choice

At 20 °C, a 3.13 M aqueous solution of ammonium chloride has a density of 1.0457 g/mL. What is the molality of ammonium chloride in the solution? The formula weight of NH₄Cl is 53.50 g/mol.

• A)3.56
• B)0.0611
• C)3.13
• D)0.334
• E)16.00

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Definitions:

Classical Conditioning

A learning practice in which the consistent linkage of two stimuli results in a response that, initially generated by the second stimulus, is ultimately generated by the first stimulus.

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The excessive and harmful consumption of alcohol, leading to physical, social, and psychological consequences.

Anxiety Hierarchy

A list or ranking of stimuli or situations that provoke anxiety in an individual, ordered from the least to the most anxiety-inducing.

Systematic Desensitization

Systematic desensitization is a psychological treatment method that gradually exposes individuals to anxiety-producing stimuli while teaching them relaxation techniques to overcome their fears.