MCAT Question of the Day
    •

    Q:

    		 Ca2+ ions can be readily sequestered from solution by precipitation with ions such as carbonate. Sodium, however, is difficult to sequester because sodium:
    		 

    A

    		 is a smaller ion.

    B

    		 has a lower ionic charge.

    C

    		 is more reactive than calcium.

    D

    		 has few insoluble salts.



    Separation and Purification |
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