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    Chemical Principles Study Set 3
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    Exam 8: Applications of Aqueous Equilibria
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    An Indicator HIn Has K<sub>a</sub> = 1  10<sup>-</Sup><sup>8</sup>
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An Indicator HIn Has Ka = 1  10-8

Question 77

Question 77

Multiple Choice

An indicator HIn has Ka = 1  10-8. At pH = 6.0, what is the ratio HIn/In-?


A) 1/100
B) 10/1
C) 1/1
D) 100/1
E) none of these

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