Explanation:
mass ----> moles ---> representative particles:
To go from mass to moles we usually use the molar mass of the substance or compound that we are working with. Molar mass is expressed in g/mol, so we divide by the molar mass.
mass --> moles: g * 1 mol/(number of g) = mol
To go from moles to representative particles we use Avogadro's number. There are 6.02 *10^23 particles in 1 mol of particles.
moles ---> particles: moles * 6.02 * 10^23 particles /(1 mol) = particles
Then to go from particles to moles we do something similar.
particles---->moles: particles * 1 mol/(6.02 * 10^23 particles) = moles
And to go from moles to grams, instead of dividing by the molar mass we multiply by it.
moles --> mass: moles * number of g/(1 mol) = g
Answer:
mass ----> 1 mol/(number of g) ---> moles ---> 6.02 * 10^23 particles /(1 mol) ----->particles
mass <---number of g/(1 mol) <----- moles <----1 mol/(6.02 * 10^23 particles)<----- particles
