Determination of a formula of a known hydrate
Known Hydrate: Copper Sulfate (CuSO4) MM = 159.6 g/mol
Show your work.
Mass of crucible, g
...............................................................___18.410________
Mass of crucible plus hydrate sample, g
.......................................... mo =.....23.728_________
after first heating, g............................... m1 =..._22.456_________
after second heating, g.......................... m2 =...
..21.841_________ after third heating, g.............................. m3 =...
.21.838________
Mass of hydrate sample (CuSO4 · x H2O), g
................................................_______________________ mass of water lost, g
................................................................._______________________
mass of anhydrous salt ...............................................................______________________
mass percent of water......................................................................... _________________
moles of water ..................................................................................._________________ _________________
moles of CuSO4................................................................................. _________________
moles H2O/moles CuSO4 .........................................................................________________
Formula of Hydrate ______________________________