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    I have an idea but I just wanna be sure..

    What is the empirical formula of a copper (I) oxide given that 12.7g of copper combine with oxygen to form 14.3g of the oxide?

    Thanks!
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    (Original post by WintaAfe)
    I have an idea but I just wanna be sure..
    What do you think it is?
 
 
 
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Updated: October 18, 2015
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