Calculate the mass percent composition of each of the following: a. MgF2, magnesium fluoride
b. Ca(OH)2, calcium hydroxide
c. C4H2O4, erythrose, a carbohydrate
d. (NH4)3PO4, ammonium phosphate, fertilizer
e. C17H19NO3, morphine, a painkiller

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

How does the attraction between particles affect the ability of a solvent to dissolve in a substance