A mole is a unit of measurement that represents the amount of a substance that consists of as many entities (usually atoms or molecules) as there are atoms in exactly 12 grams of carbon-12. This number is known as Avogadro's number (6.02 x 10^23).

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What Is a Mole

Question 9

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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