MCAT Question of the Day
    •

    Q:

    		 What is the empirical formula of a compound that is 1.59% H, 76.19% O, and 22.22% N by mass?
    		 

    A

    		 H3NO3

    B

    		 HNO2

    C

    		 HNO3

    D

    		 HN2O4



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