Science Help Online Worksheet 5-8b Percentage Composition
 
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Calculate the percentage composition by mass of the following compounds
1) MgO

 

 

 

 

 

 2) Li2O
3) H2O

 

 

 

 

 

 4) Ba(NO2)2

Please forward all questions, comments and criticisms to Gregory L. Curran.
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Last Modified March 18, 2004