Question

One mole of a substance contains ___________________ atoms or molecules.​

Answer 1

Explanation:

The mole (symbol: mol) is the base unit of amount of substance in the International System of Units (SI). It is defined as exactly 6.02214076×1023 particles, which may be atoms, molecules, ions, or electrons

Answer 2

Answer:

6.022×1023 or

can also be written as 6.022×1023 mol-1.

Explanation:

The mole allows scientists to calculate the number of elementary entities (usually atoms or molecules) in a certain mass of a given substance. Avogadro's number is an absolute number: there are 6.022×1023 elementary entities in 1 mole.can also be written as 6.022×1023 mol-1.