Calculate the Freezing Point of a Solution Made from 22 $\circ$

question 20

Multiple Choice

Calculate the freezing point of a solution made from 22.0 g of octane (C₈H₁₈) dissolved in 148.0 g of benzene. Benzene freezes at 5.50 ^$\circ$ C and its K_f value is 5.12 ^$\circ$ C/m.

• A) -1.16^\(\circ\)C
• B) 0.98^\(\circ\)C
• C) 5.49^\(\circ\)C
• D) 6.66^\(\circ\)C
• E) 12.2^\(\circ\)C

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Definitions:

Ophthalmologist

A medical doctor specializing in the diagnosis and treatment of eye diseases and disorders.

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Involving or relating to surgery, which is the treatment of disorders or injuries by operative procedures.

Middle Ear

The section of the ear between the eardrum and the oval window that amplifies sound waves and transmits them to the inner ear.

Hammer

A tool with a heavy, typically metal head mounted at a right angle to a handle, used for breaking things apart or driving nails.