A dye that is an acid 4 that appears as different colors in its protonated + deprotonated forms can be used as a pH indicator. Suppose that you have a 0.001 M solution of a dye pka of 7.2. From the color, the concentration of the protonated form is found to be 0.0002 M. Assume that the remainder of the dye is in the deprotonated form. What is the pH of the solution?
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Question & Answer: A dye that is an acid 4 that appears as different colors in its protonated + deprotonated forms…..
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