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what is the empirical formula for a molecule containing 46.8% Si and 53.2% O

May 3rd, 2015

element Si O 
mass per 100g 53.3 46.7 
number of moles 53.3/28.09 46.7/16 
=1.9 =2.9 
nearest integer 2 3 

so the empirical formula is Si2O3

May 3rd, 2015

thanks 


May 3rd, 2015

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May 3rd, 2015

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