Determine the Molality of Ions in a Solution Formed by Dissolving

question 37

Multiple Choice

Determine the molality of ions in a solution formed by dissolving 0.187 moles of NaCl in 456 grams of water.The density of the solution is 1.44 g/mL.

• A)0.820 m
• B)0.702 m
• C)0.351 m
• D)0.410 m
• E)0.285 m

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Definitions:

Auditory Nerve

A bundle of nerve fibers that carries hearing information from the cochlea of the inner ear to the brain.

Auditory Canal

The part of the ear through which sound waves travel to reach the eardrum.

Eardrum

A thin membrane that vibrates in response to sound waves, transmitting these vibrations to the middle ear.

Decibels

A unit of measurement for the intensity of sound, representing the ratio of a given sound pressure level to a reference level, oftentimes indicating the loudness of sound.