Methyl orange is an indicator that changes color over a range from pH =3.1 to pH =4.4 . What is Ka of methyl orange? B) Phenolphthalein,Ka= 7.0*10^-10 , is colorless in its protonated form (HX) and fuchsia in its ionized form (X-). At what pH will phenolphthalein be a perfect pink color?
Methyl orange is an indicator that changes color over a range from pH =3.1 to pH =4.4 . What is Ka of methyl orange? B) Phenolphthalein,Ka= 7.0*10^-10 , is colorless in its protonated form (HX) and fuchsia in its ionized form (X-). At what pH will phenolphthalein be a perfect pink color?
Chapter14: Principles Of Neutralization Titrations
Section: Chapter Questions
Problem 14.9QAP
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Methyl orange is an indicator that changes color over a range from pH =3.1 to pH =4.4 . What is Ka of methyl orange? B) Phenolphthalein,Ka= 7.0*10^-10 , is colorless in its protonated form (HX) and fuchsia in its ionized form (X-). At what pH will phenolphthalein be a perfect pink color?
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