MCAT Question of the Day
    •

    Q:
    Zn + HCl → ZnCl2 + H2

    Consider the above unbalanced reaction. How many mL of a 4 M solution of HCl would be required to produce 22.4 L of H2 gas at STP?

    		 

    A

    		 125 mL

    B

    		 250 mL

    C

    		 500 mL

    D

    		 750 mL



    Gases | Stoichiometry | Quantitative Skills |
    Subscribe


    Is Your Score Stuck?

    We can teach you how to crush the MCAT!

    Learn More