Concept:The mole is the SI base unit representing the amount of substance. It is fundamentally defined by a rigid numerical constant.
Formula:$$ 1 \text{ mol} \equiv N_A $$
Solution:- By universal scientific definition, exactly 1 mole of any discrete entity (atoms, ions, electrons, or molecules) contains exactly Avogadro's number of those entities.
- The widely accepted value for Avogadro's constant is \( 6.022 \times 10^{23} \).
- Therefore, 1 mole contains \( 6.02 \times 10^{23} \) particles.
Why other options are incorrect:- \( 6.02 \times 10^{24} \) & \( 6.02 \times 10^{22} \): The exponent on the power of ten is incorrect by entire orders of magnitude.
- \( 3.01 \times 10^{23} \): This is exactly half of Avogadro's number, representing only 0.5 moles of a substance.
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