At 20°C, a 3

question 66

Multiple Choice

At 20°C, a 3.54 M aqueous solution of ammonium chloride has a density of 1.0512 g/mL. What is the mass % of ammonium chloride in the solution? The formula weight of NH₄Cl is 53.50 g/mol.

• A) 6.95
• B) 4.10
• C) 3.36
• D) 18.00
• E) 0.297

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Definitions:

Neuropsychology

The study of the relationship between brain function and behavior, including the effects of brain injuries and diseases.

Trait Theory

A psychological approach focused on the quantification and analysis of personality traits or characteristics that are consistent over time and situation.

Positive Reinforcement

Involves the addition of a rewarding stimulus following a desired behavior, increasing the likelihood of that behavior being repeated.

Negative Punishment

A behavior modification technique where a desirable stimulus is removed after a particular behavior, with the aim of decreasing that behavior.