A Certain Indicator HIn Has a PK_a of 9

question 98

Multiple Choice

A certain indicator HIn has a pK_a 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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Definitions:

For Loop

A control flow statement in programming that repeatedly executes a block of code a specified number of times.

Counter-controlled Loop

A counter-controlled loop is a loop that repeats a certain number of times, controlled by a counter variable that increments or decrements with each iteration.

Data Entries

Data entries refer to the act of entering information or data into a database or a particular format, usually through typing or voice input, for the purpose of storage, analysis, or processing.

Loop Condition

The boolean expression evaluated at the beginning of each iteration of a loop, determining whether the loop continues to execute.