MCAT Question of the Day
    •

    Q:

    		 A cobalt (II) chloride can form multiple hydrates. Which of the following is the correct molecular formula for a cobalt (II) chloride hydrate with a molecular mass of 238 g/mol?
    		 

    A

    		 CoCl2 • H2O

    B

    		 CoCl2 • 2H2O

    C

    		 CoCl2 • 4H2O

    D

    		 CoCl2 • 6H2O



    Periodic Table | Quantitative Skills |
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