A Solution Is Prepared by Adding 1

question 13

Multiple Choice

A solution is prepared by adding 1.43 mol of KCl to 889 g of water. The concentration of KCl is __________ molal.

• A)1.61 × 10^-3
• B)622
• C)0.622
• D)1.27 × 10³
• E)1.61

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Definitions:

Paradoxical Sleep

Also known as REM (Rapid Eye Movement) sleep, is a phase of sleep characterized by rapid movement of the eyes, low muscle tone throughout the body, and the propensity of the sleeper to dream vividly.

REM Sleep

Rapid Eye Movement sleep, a unique phase of sleep characterized by rapid movements of the eyes, vivid dreams, and increased brain activity.

REM Sleep

A stage of sleep characterized by rapid eye movements, more dreaming, and bodily movement, and is considered critical for emotional and cognitive health.

Postural Muscles

Muscles responsible for maintaining the stability and posture of the body by resisting the force of gravity.