Avogadro's Number
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SCIENCE
Chemistry
Avogadro's Number
The exact fixing of Avogadro's number redefined the mole and precision in chemistry
6 days ago
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What was the major consequence of defining Avogadro's number as an exact constant in 2019?
It fixed the number of particles in a mole, eliminating measurement uncertainties.
It changed the mass of carbon-12 used to define the mole.
It made Avogadro's number vary depending on the substance measured.
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