E. Hydrates- calculate the mass percent of water in the following hydrates
Copper II Chloride dihydrate
Magnesium Carbonate pentahydrate
F. Lab data calculations
Find the mass percent of sugar in a piece of gum
Mass unchewed gum
4.55 g
Mass chewed gum
2.15 g
Find the mass percent of oxygen in a compound
Mass test tube + catalyst
35.75 g
Mass test tube + catalyst + compound
39.56 g
Mass test tube + catalyst + cmpd after heating
37.46 g