A certain indicator(Hln) has a Ka value of 1.0 x 10^-7.  The protonated form of the indicators is yellow and deprotonated form is blue. What is a pKa of the indicator? What is the color of this indicator in a solution with pH=5? pH=10. Can you give detail explanation for this question? thanks

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.