Calculate the ph of a buffer solution that contains 0. 25 m benzoic acid (c6h5co2h) and 0. 15 m sodium benzoate (c6h5coona). [ka = 6. 5 x 10-5 for benzoic acid].

Abacterium was found to contain a sequence of atcgggatcct in its genome. a few generations later, the sequence was found to be atcatcct. what type of mutation caused this change in the bacteria? a. duplication b. insertion c. inversion d. translocation