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What is the formula for CoCl2 with 45.5 percent water?
12 years ago

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
12 years ago

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