How many moles in 2.8 X 1028 molecules? Atoms in 85 moles h2O?
Atoms in 1.7 moles?
Atoms in 10 moles?
Moles in 5.9 X 1013 atoms?

When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule