Sagot :
Answer:
the mole (symbol: mol) is a unit of amount of substance in the International System of Units, defined (since 2019) by fixing the Avogadro constant at the given value. Historically, the mole was defined as the amount of substance in 12 grams of the carbon-12 isotope.
Answer:
The Mole is a unit of amount of substance in the International System of Units, defined by fixing Avogadro constant at the given value.