Happy Mole Day
Mole and Avogadro's Number
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- Defined as the amount of substance containing the same number of chemical units as exactly 12 grams of Carbon-12
- Number of units in one mole of any substance (defined as its molecular weight in grams), equal to 6.02214076 × 10^23.
- The unit used for the number of particles of ionic compounds.
- Regardless of the type of element, as long as 1 mole is present, they will have the same number of particles.
- The term “Avogadro's number” was first used by French physicist __________________.
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