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Suppose you have an indicator that turns from yellow to red over a pH range of...

Suppose you have an indicator that turns from yellow to red over a pH range of 6.4 to 8.0, respectively.

Fill in the blanks for each of the following.

What color is the acidic form of the indicator?

What is the pKa of the indicator?

What color is the indicator when pH = pKa?

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