An Indicator HIn Has K_a = 1 × 10^-8

question 84

Multiple Choice

An indicator HIn has K_a = 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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