The Theoretical Yield of a Reaction Is 75

question 32

Multiple Choice

The theoretical yield of a reaction is 75.0 grams of product and the actual yield is 42.0g.What is the percent yield?

• A)75.0
• B)56.0
• C)31.5
• D)178
• E)none of the above

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Definitions:

Preoperational Stage

A stage in Piaget's theory of cognitive development, occurring roughly between the ages of 2 and 7, marked by rapid language acquisition and symbolic thinking.

Age

A measure of the time an individual or object has existed, often used to describe developmental stages in humans.

Egocentrism

An important feature of preoperational thought: the inability to distinguish between one’s own and someone else’s perspective.

Animism

A facet of preoperational thought: the belief that inanimate objects have lifelike qualities and are capable of action.