alleryOne mole of any substance contains which of the following numbers of particles?
A$6.022 \times 10^{20}$
B$6.022 \times 10^{22}$
C$6.022 \times 10^{23}$
D$3.011 \times 10^{23}$
Answer & Solution
Correct answer: C. $6.022 \times 10^{23}$
By definition, one mole contains Avogadro's number of entities, which is $6.022 \times 10^{23}$.
The entities may be atoms, molecules, ions, or even electrons.
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