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Author Question: methyl orange: red at pH < 3.1: orange at pH 3.1-4.4: yellow-orange above pH 4.4 litmus: red at pH < ... (Read 107 times)

renzo156

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on: Jul 8, 2021
methyl orange: red at pH < 3.1:  orange at pH 3.1-4.4:  yellow-orange above pH 4.4
litmus:  red at pH < 4.5:  purple at pH 4.5-8.3: blue above pH 8.3
thymol blue:  yellow at pH < 8.0:  green at pH 8.0-9.6:  blue above pH 9.6
trinitrobenzene:  colorless at pH < 12:  yellow at pH 12.0-1:  orange above pH 14.0

Which of the pH indicators from the list above would be most appropriate for the titration of 0.30 M aqueous acetic acid (Ka = 1.8 × 10-5) with 0.15 M aqueous sodium hydroxide?
◦ methyl orange
◦ litmus
◦ thymol blue
◦ trinitrobenzene
◦ Both thymol blue and litmus can be used.
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by renzo156 on Jul 8, 2021

kxciann

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Reply #1 on: Jul 8, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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renzo156

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Reply 2 on: Jul 8, 2021
Wow, this really help

peter

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Reply 3 on: Yesterday
:D TYSM

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