MCAT Question of the Day
    •

    Q:

    		 Osarizawaite is a mineral with the chemical formula PbCuAl2(SO4)2(OH)6. What is the percent mass of Aluminum in osarizawaite?
    		 

    A

    		 4.5%

    B

    		 9%

    C

    		 18%

    D

    		 33%



    Periodic Table | Quantitative Skills |
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