Jdkdbdb28381 Jdkdbdb28381
  • 15-03-2024
  • Physics
contestada

The ionisation constant of an acid base indicator is 3' 10-5. The acid form of the indicator is red and the basic form is blue. By how much must the pH change in order to change the indicator from 75% red to 75% blue?
A) 1.95
B)2.95
C) 0.95
D) 3.95

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