What Is the Molality of an Aqueous KBr Solution with a Mole

question 44

Multiple Choice

What is the molality of an aqueous KBr solution with a mole fraction of KBr, X, equal to 0.245

• A) 0.325 m
• B) 0.682 m
• C) 13.6 m
• D) 18.0 m
• E) 29.2 m

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Definitions:

Egg

Female gamete.

Sperm

Male gamete.

DNA Replication

Process by which a cell duplicates all of its DNA before it divides.

Strands Unwind

Refers to the process of the double helix structure of DNA opening up into single strands during replication or transcription.