I mole of water has an Avogadro number of molecules.
1 mole = 6.02 10^ 23 molecules.
6.02 10^ 23 molecules = 1 mole of water
1 molecule = 1/(6.02 10^23) mole of water
2.0 10^22 molecules would have = (210^22) 1/(6.0210^23)
= 0.033
2 10 ^22 molecules of water would have 0.033 moles of water.
