Question

What is the SI base for the amount of a substance?

Answer 1

The SI unit for amount of substance is the mole. It has the unit symbol mol. The proportionality constant is the inverse of the Avogadro constant. The mole is defined as the amount ofsubstance that contains an equalnumber of elementary entities as there are atoms in 12g of the isotope carbon-12.

Answer 2

Symbol.mol..mis the answer