Multiple Choice
How many atoms are present in 3 moles of carbon?
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2. Atoms & Elements
Mole Concept
Multiple Choice
In chemistry, what does a mole represent a count of?
A
Grams of a substance
B
Atoms, molecules, or other specified particles
C
Energy released in a reaction
D
Liters of a gas at STP
Verified step by step guidance1
Understand that a mole is a fundamental unit in chemistry used to count particles, similar to how a dozen counts 12 items.
Recognize that a mole specifically represents a quantity of entities such as atoms, molecules, ions, or other specified particles.
Recall that one mole is defined as exactly \(6.022 \times 10^{23}\) of these entities, known as Avogadro's number.
Note that a mole does not directly represent grams, energy, or volume, but rather a count of particles regardless of their type.
Therefore, the mole is best understood as a counting unit for atoms, molecules, or other specified particles in a substance.
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