Explain an acetic acid solution of bromocresol green

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an acetic acid solution of 2.87 pH is titrated with 1.5 mL of bromocresol green. When the color changes to light green, the pH is 3.95. The final color of the solution is dark blue. Please help me to estimate the Ka for bromocresol green using these numbers.

Reference no: EM13167973

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