MCAT Question of the Day
    •

    Q:

    		 An acid, HX, has an acid dissociation constant of 7*10-3. Which of the following is the expected pH of a solution that contains equal concentrations of HX and X- (the conjugate base of HX)?
    		 

    A

    		 1.8

    B

    		 2.2

    C

    		 3.7

    D

    		 4.9



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