Question

3.21E22 atoms is how many moles ?

Answer 1

How many atoms are in 3.76 moles of boron

Answer 2

a mole is a number ... like a dozen ... dozen = 12 ... mole = 6.02E23

... a mole is Avogadro's number

atoms to moles ... divide by 6.02E23

moles to atoms ... multiply by 6.02E23