A Mixture Is Prepared by Mixing 100

question 8

Multiple Choice

A mixture is prepared by mixing 100.0 grams of ethanol (C₂H₆O) with 30.0 grams of acetone (C₃H₆O) . At 25°C the vapor pressures of pure ethanol and acetone are 59 Torr and 231 Torr respectively. What will be the total vapor pressure over the mixture at this temperature?

• A) 212 Torr
• B) 62 Torr
• C) 92 Torr
• D) 88 Torr

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Definitions:

Stratum Corneum

The outermost layer of the epidermis, consisting of dead, flattened skin cells that act as a barrier against the external environment.

Keratinized Cells

Cells that are filled with the protein keratin, making them tough and water-resistant, as seen in skin, hair, and nails.

Lunula

The lunula is the crescent-shaped white area at the base of a fingernail or toenail, visible as part of the nail's growth area.

Hair Papilla

A small, cap-shaped cluster of cells located at the base of the hair follicle, playing a crucial role in hair growth.