Help. I need help!
What is the percentage of water in the hydrate CoCI2 * 6H2O? Show your work.
Atomic mass Cobalt ≈ 59
atomic mass Chlorine ≈ 35.5
atomic mass H2O ≈ 18
Percentage water = 100*6*18/(59 + 2*35.5 + 6*18)
I’ll leave you to finish the calculation.
+4116 
