Essential Chemistry for IGCSE - Chemical Calculations (Section 3 - No. 48)
How is the mole defined?
The number of atoms in 1 gram of a substance.
The number of grams of a substance.
6.022 x 10^23 particles of a substance.
The amount of a substance that reacts with oxygen.
Explanation
The mole is the amount of a substance that contains 6.022 x 10^23 particles.
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