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What is the formula of the hydrate?

  • #1

Homework Statement


A hydrate has the following percent composition: Pb=54.61%, C=12.66%, H=1.61%, O=16.88% and H2O=14.24%. What is the formula of the hydrate?



Homework Equations





The Attempt at a Solution



i was told to divide the percentages by the total molecular mass... makes no sense, they are looking for the hydrate formula and don't know how to do this
 

Answers and Replies

  • #2
Borek
Mentor
28,326
2,713
Try to solve assuming it it just the elemental analysis with an "element" X of molar mass 18.02 and constituting 14.24% of the substance.
 
  • #3
thanks
 

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