Chemistry

Find the ratio of the volumes of NaC3H5O3 soloution to HC3H5O3 (lactic acid) required to prepare a buffer with a pH of 3.90. the solutions are equal in molarity. Ka = 1.4 x 10-4 for HC3H5O3.

ratio = ________ mL of NaC3H5O3 per mL of HC3H5O3

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asked by Bill

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