How many particles are contained in 2.75 moles of aluminum fluoride?

  number of particles are present in 2.75 moles of Aluminium fluoride

Explanation:

The number of particles in 1 mole of substance is   which is called the Avogadro’s number.It is  is a number which represents a atomic scale substance to a understandable human scale form. Here, 1 mole of aluminium fluoride contains number of particles. Hence, to find the number of particles in 2.75 moles, you just multiply it with Avogadro's number.  

So, the number of particles in 2.75 moles of aluminium fluoride is

The correct answer is c

18