Problem: Bromocresol green, Ka = 2.0 x 10 -5, is yellow in its protonated form (HX) and blue in its ionized form (X-). a) At what pH will bromocresol green be a perfect green color?b) For what type of titration would bromocresol green be most effective as an indicator?

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Bromocresol green, Ka = 2.0 x 10 -5, is yellow in its protonated form (HX) and blue in its ionized form (X-). 

a) At what pH will bromocresol green be a perfect green color?

b) For what type of titration would bromocresol green be most effective as an indicator?

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