Arancio metile in alcali. In un metallo alcalino e la titolazione di acido metil-arancio è utilizzato come un indicatore. Al di sopra di pH 4.4 arancio metile è giallo, ma come acido
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![Solved If pH = 4.4, what is [H+] ? pH pОН [H+] [ОН:] 4.4 ? | Chegg.com](https://media.cheggcdn.com/study/d1b/d1b2e97f-6f3e-4673-898e-f505d7b6fa0e/image "Solved If pH = 4.4, what is [H+] ? pH pОН [H+] [ОН:] 4.4 ? | Chegg.com")
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SOLVED: 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
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