Question

4. One mole of a substance contains_______
atoms or molecules.​

Answer 1

Answer:

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

Answer 2

2is the answer of this question

please mark as brainlist