MCAT Question of the Day
    •

    Q:

    		 Which of the following is the pH of an acid with pKa of 4.5 when the concentration of acid is equal to the concentration of the conjugate base?
    		 

    A

    		 less than 4.5

    B

    		 4.5

    C

    		 greater than 4.5 but less than 7

    D

    		 greater than 7



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