Empirical formula of the oxide of tin

Question

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Answer 1

SnO for tin(II) oxide

SnO2 for tin(IV) oxide

 

If you have other information or data, one can then determine which is which.

Answer 2

Try

https://www.redhookcentralschools.org/site/handlers/filedownload.ashx?moduleinstanceid=1224&dataid=7913&FileName=Tin%20Oxide.pdf