What Volume of Water (D = 1

question 99

Multiple Choice

What volume of water (d = 1.00 g/mL) should be added to 600. mL of ethanol in order to have a solution that boils at 95.0°C? (For ethanol, K_b = 1.22 °C/m; density = 0.789 g/cm³; boiling point = 78.4°C)

• A) 186 mL
• B) 245 mL
• C) 518 mL
• D) 116 mL
• E) 322 mL

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Definitions:

Fermentation

A metabolic process that converts sugar to acids, gases, or alcohol in the absence of oxygen.

Gravity

A natural phenomenon by which all things with mass or energy are brought toward one another, including objects ranging from subatomic particles to planets and stars.

Energy

The capacity to do work or produce change, present in many forms such as kinetic, thermal, electrical, and chemical.

Muscle Contractions

The process whereby muscle fibers shorten or lengthen to produce movement or apply force against resistance.