An Aqueous Solution Is Composed of 7

question 39

Multiple Choice

An aqueous solution is composed of 7.50 g NaCl (MM = 58.44 g/mol) diluted to 0.100 L.Calculate the osmotic pressure of the solution at 298 K.(R = 0.0821 L.atm/mol.K)

• A) 5.83 atm
• B) 9.22 atm
• C) 18.3 atm
• D) 31.4 atm
• E) 62.8 atm

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Definitions:

Positron-Emission Tomography

An imaging technique that uses radioactive substances to visualize and measure metabolic processes in the body.

Radioactive Tracers

Substances that contain a radioactive atom to allow tracking of molecules during physiological processes.

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Electroencephalogram

A test that measures electrical activity in the brain using small, metal discs attached to the scalp, used to diagnose neurological disorders.