Multiple Choice
How many molecules are present in mole of ? (Use molecules/mol.)
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2. Atoms & Elements
Mole Concept
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How many carbon atoms are in mole of carbon?
A
atoms
B
atoms
C
atoms
D
atoms
Verified step by step guidance1
Understand that 1 mole of any substance contains Avogadro's number of entities (atoms, molecules, etc.). Avogadro's number is approximately \$6.022 \times 10^{23}$ entities per mole.
Recognize that the problem asks for the number of carbon atoms in 1 mole of carbon atoms, so the quantity is directly related to Avogadro's number.
Recall the definition: 1 mole of carbon atoms = \$6.022 \times 10^{23}$ carbon atoms.
Note that the given options include values close to Avogadro's number and other numbers that are not relevant to the mole concept (like \$1.00 \times 10^{6}$ atoms or 12.01 atoms, which is the atomic mass of carbon, not the number of atoms).
Conclude that the number of carbon atoms in 1 mole of carbon is equal to Avogadro's number, \$6.022 \times 10^{23}$ atoms.
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