contestada

What is the percentage of water in the hydrate copper sulfate pentahyride - (CuSO4*5H2O)
Answer all parts of this question:
Show your work ; Total mass of compound ; Mass of water in compound ; Percentage of water in compound

Respuesta :

debambarish2013
Atomic Masses of  Cu=63.55 u
                               S =32 u
                               O =16 u
                               H =1 u
Molecular Mass of CuSO4*5H2O=[63.55+32+ 16*4+5*(1*2+16)]u =249.55 u
Molecular Mass of Water=(1*2)+(16*1)=18 u
Mass of Water in 1 Molecule of CuSO4*5H20=(5*18)u=90 u
Percentage of water=90/249.55*100%=36.06%

Hope it helped :)