Answer:
There are 3,73x10e24 molecules in 6.2 moles of NH4
Explanation:
We use the Avogadro´s Number, whereby in 1 mole of any substance there are 6, 023x10e23 molecules:
1 mol NH4------6, 023x10e23 molecules
6,2mol NH4-----x= (6, 023x10e23 moleculesx6,2mol NH4)/1 mol NH4
x=3,73x10e24 molecules
