A 1.80-g sample of water contains _____ mole(s) of hydrogen atoms.
mols H2O = grams/molar mass = 1800/18 = ?
Then there are two atoms H for every mole of H2O; thereforeare, there are twice the number of H atoms as you have of H2O molecules.
Then there are two atoms H for every mole of H2O; thereforeare, there are twice the number of H atoms as you have of H2O molecules.