formal lab report chemistry

Data

Trail 1

Trail 2

Mass of unknown hydrate+flask

102.25 g

104.85 g

Mass of empty flask

104.24 g

103.81 g

Mass of hydrate

1.01 g

1.04 g

Mass of anhydrate salt+flask

104.80 g

104.43 g

Mass of anhydrate

0.56 g

0.62 g

Mass of effloresced water

0.45 g

0.42 g

Moles of anhydrate salt

0.0035 mol

0.0039 mol

Average moles of anhydrous salt

0.0037 mol

Moles of water of crystallization

0.025 mol

0.023 mol

Average moles of water of crystallization

0.024 mol

Simplest integer ratio(X):(Y)

1:6

Empirical formula and name of the original hydrate

CuSo4 (Copper Sulfate)

Percent by mass of water in the original hydrate

42.44 %