Multiple Choice
Which of the following best represents the number of particles (atoms, molecules, or ions) present in one mole of a substance?
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2. Atoms & Elements
Mole Concept
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Which term is also known as a mole in chemistry?
A
Avogadro's constant
B
Gram formula mass
C
Amount of substance
D
Avogadro's number
Verified step by step guidance1
Understand that the term 'mole' in chemistry is a fundamental unit used to express the amount of substance.
Recognize that 'Avogadro's number' or 'Avogadro's constant' refers to the number of particles (atoms, molecules, ions, etc.) in one mole, approximately \$6.022 \times 10^{23}$ particles.
Note that 'Gram formula mass' refers to the mass of one mole of a substance expressed in grams, but it is not synonymous with the term 'mole' itself.
Identify that the term 'Amount of substance' is the correct definition of a mole, as it quantifies how many entities are present, regardless of their type.
Conclude that among the options, 'Amount of substance' is the term that is also known as a mole in chemistry.
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