A Student Wants to Make a 3

question 85

Multiple Choice

A student wants to make a 3.02 M KCl solution using 76.2 g KCl. What volume (in mL) is needed to made this concentration? The formula mass for KCl is 74.55 g/mol u.

• A) 342 mL
• B) 242 mL
• C) 338 mL
• D) 584 mL
• E) 639 mL

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Definitions:

Toddlerhood

A developmental stage that occurs approximately between the ages of one and three and is marked by rapid growth in mobility, language, and cognitive skills.

Puberty

The developmental stage during which children mature sexually and physically, becoming capable of reproduction.

Genie

A feral child who became a notable case study in linguistics and psychology for her critical period language acquisition after being discovered in severe isolation.

Critical Period

A specific time during development when the organism is particularly sensitive to certain stimuli, making it easier for learning or development to occur.