Answer:
2.Mole-is a convenient way of counting the number of atoms and molecules which are minute in nature.
3.In analogy,1 plastic bag can be likened to 1 mole such that 1 plastic bag always contains the same the number of pieces no matter what the material is.In the same way ,1 mole is always equal to the same of number of particles which is equal to 6.02×10²³.