need help identifying amus for chemistry?

0 ⤊

need help identifying amus for chemistry?

Unknowns Formula weights (amu)
Copper(II) chloride dihydrate
Copper(II) sulfate pentahydrate
Copper(II) acetate monohydrate

Need to identify the formula weights for these compouds

2007-11-06 05:49:36 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

1 answers

Atomic weights: Cu=63.5 Cl=35.5 H=1 O=16 S=32 C=12 H2O=18

1. 63.5 + 2(35.5) + 2(18) = 170.5

2. 63.5 + 96 + 5(18) = 249.5

3. 63.5 + 2(59) + 18 = 199.5

2007-11-06 05:59:12 · answer #1 · answered by steve_geo1 7 · 0⤊ 0⤋