A Flask with a Volume of 3

question 75

Multiple Choice

A flask with a volume of 3.16 L contains 9.33 g of an unknown gas at 32.0°C and 1.00 atm. What is the molar mass of the gas? (R = 0.08206 L • atm/K • mol)

• A) 7.76 g/mol
• B) 66.1 g/mol
• C) 73.9 g/mol
• D) 81.4 g/mol
• E) 144 g/mol

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Definitions:

Acr/o

A prefix in medical terminology indicating extremities, peak, or topmost.

Posterior Lobe

The back part of an organ or gland, often referring specifically to the posterior lobe of the pituitary gland in the brain.

Prolactin Hormone

A hormone produced by the anterior pituitary gland that stimulates milk production following childbirth.

Adrenal Cortex

The outer layer of the adrenal glands that produces corticosteroid hormones, including cortisol and aldosterone, which regulate metabolism, immune response, and water and salt balance.