To indicate the ph of a substance, one can use a dye that is both an acid and that appears as different colors in its protonated and deprotonated forms. suppose that you have a 0.001 m solution of a dye with a pka of 7.2. from the color, the concentration of the protonated form, ha, is 0.0002 m. assume that the remainder of the dye is in the deprotonated form, a−. what is the ph of the solution? give your answer to one decimal place. g
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