Determine the Molality of an Aqueous Solution Prepared by Dissolving

question 64

Multiple Choice

Determine the molality of an aqueous solution prepared by dissolving 0.112 moles of LiCl in 13.7 moles of H₂O.

• A) 0.454 mol kg^-1
• B) 0.220 mol kg^-1
• C) 0.818 mol kg^-1
• D) 0.122 mol kg^-1
• E) 0.153 mol kg^-1

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Definitions:

NADH

Nicotinamide adenine dinucleotide (NADH) is a coenzyme found in all living cells, involved in redox reactions and energy production through cellular respiration.

Glycolysis

The metabolic pathway that breaks down glucose into pyruvate, releasing energy and pyruvic acid, occurring in the cytoplasm of cells.

Niacin

Also known as Vitamin B3, it is essential for converting food into energy, maintaining skin health, and supporting the nervous and digestive systems.

Pellagra

A vitamin deficiency disease most commonly caused by a lack of niacin (vitamin B3) in the diet, leading to dermatitis, diarrhea, dementia, and even death if untreated.