Question
What is the formula for CoCl2 with 45.5 percent water?
Answers
DrBob222
let x = number mols H2O/mol CoCl2.
%H2O = 18.015x/(18.015x + molar mass CoCl2)
Solve for x and the formula is
CoCl2.xH2O
%H2O = 18.015x/(18.015x + molar mass CoCl2)
Solve for x and the formula is
CoCl2.xH2O