A Solution Consisting of 0

question 47

Multiple Choice

A solution consisting of 0.228 mol of methylbenzene,C₆H₅CH₃,in 255 g of nitrobenzene,C₆H₅NO₂,freezes at -0.3°C.Pure nitrobenzene freezes at 6.0°C.What is the freezing-point depression constant of nitrobenzene?

• A) 1.1°C/m
• B) 27°C/m
• C) 14.0°C/m
• D) 3.5°C/m
• E) 7.0°C/m

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Definitions:

Compounded Annually

The process of calculating interest on both the initial principal and the accumulated interest from previous periods, applied once per year.

Interest Rate

The rate at which interest is applied to a borrowed sum, usually shown as an annual percentage of the remaining loan amount.

Perimeter

The perimeter of a shape is the total length of its boundary, measured along the outer sides.

Rectangular Playing Field

A flat area of land designated for sports or games, with a length typically greater than its width, bounded by straight edges at right angles.