molecular weight of cuso4 5h2o molar m of cuso4 5h2o you molecular weight of cuso4 5h2o percent composition practice problem 3 formula m of cuso4 5h2o hydrated copper sulp cuso4 2h2o copper sulfate pentahydrate solved copper ii sulfate pentahydrate for copper ii sulfate pentahydrate what m of anhydrous compound remains percent composition empirical formulas percene composition of h2o in cuso4