Cu- 1x63.5 = 63.5 18x / (319.6 + 18x) X 100 = % of water in the Hydrate

S- 1x32.1 =32.1 solve for x and plug it in

O- 4x16=224

H20- Xx18 =18.0x

=(319.6+18x)

S- 1x32.1 =32.1 solve for x and plug it in

O- 4x16=224

H20- Xx18 =18.0x

=(319.6+18x)