MCAT Question of the Day


  • Q:

    MgH2 + 2H2O → 2 H2 + Mg(OH)2

    How many moles of MgH2 would need to be decomposed in the reaction above in order to produce 11.2 L of H2 gas at STP?


     

    A

    1 mole

    B

    1/4 mole

    C

    1/2 mole

    D

    2 moles



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