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    Chemical Principles Study Set 4
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    Exam 8: Applications of Aqueous Equilibria
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    A Certain Indicator HIn Has a PK<sub>a</sub> of 9
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A Certain Indicator HIn Has a PKa of 9

Question 98

Question 98

Multiple Choice

A certain indicator HIn has a pKa of 9.00, and a color change becomes visible when 7.00% of it is In-. At what pH is this color change visible?


A) 6.15
B) 7.88
C) 10.2
D) 3.85
E) none of these

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