. An acid-base indicator has KHIn = 3.0 × 10-5
An acid-base indicator has KHIn = 3.0 × 10-5. The acid form of the indicator is red and the basic form is blue. The change in [H+] required to change the indicator from 75% red to blue is
A. 8 × 10-5 M
B. 6 × 10-5 M
C. 2 × 10-5 M+
D. 4 × 10-5 M
Best Answer
Correct Answer is: A. 8 × 10-5 M
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