An Aqueous Solution of a Compound with a Molar Mass

question 4

Multiple Choice

An aqueous solution of a compound with a molar mass of 34.02 g/mol is 25.5% by mass and has a density of 1.19 g/cm³. What is the molarity of the solution?

• A) 8.92 M
• B) 7.50 M
• C) 1.37 M
• D) 0.000892 M
• E) 6.30 M

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Definitions:

Audiometer

An electronic device that measures hearing acuity by producing sounds in specific frequencies and intensities.

Frequency

The number of complete fluctuations of energy per second in the form of waves.

Tinnitus

A condition characterized by the perception of noise or ringing in the ears when no external sound is present.

Cerumen

A wax-like substance produced by glands in the ear canal; also called earwax.