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Chapter 10 (Empirical Formula (Example (Find the empirical formula for a…

- - - - 33.9g C /63.5g/mol, 14.9N /14g/mol, 57.2gO /16g/mol=.533molN /.533, 1.06molO/.533, 3.2molC/.533
        
        =1:2:6
- - - - ex: What is the number of moles in 432g Mg(NO3)2?
        
        Mg(NO3)2=24g+2(14g)+6(16g)=148g
        
        432g Mg(NO3)2x1mol Mg(NO3)2 /148g=2.9 moles
- - - - mg=24g/58g o=32g/58g h=2g/58g
        
        mg41% o35% h3%