Chemistry Practice Problems Acid Base Indicators Practice Problems Solution: The indicator cresol red has Ka = 3.5 × 10−9. Over...

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Solution: The indicator cresol red has Ka = 3.5 × 10−9. Over what approximate pH range does it change color?

Problem

The indicator cresol red has Ka = 3.5 × 10−9. Over what approximate pH range does it change color?