What Is a Mole

question 7

Multiple Choice

What is a mole?

• A) The amount of a substance that consists of as many entities as there are atoms in exactly 12 grams of the element carbon-12
• B) The number of atoms of a substance found in 10 mL of the substance
• C) The total mass of the substance necessary to contain exactly Avogadro's number of atoms
• D) The volume of atoms in the substance divided by Avogadro's number

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Definitions:

Marginal Utility

The increased utility or satisfaction derived by a buyer from the consumption of one extra unit of a good or service.

Income Effect

The fluctuation in income for either an individual or the economy and its influence on the demand levels for certain goods or services.

Substitution Effect

The economic principle that as prices rise, consumers will replace more expensive items with less costly alternatives.

Marginal Utility

The extra contentment a customer obtains by using an additional unit of a product or service.