What is the pH of the solution given the following information? Methyl orange = yellow Methyl red = yellow Bromothymol blue = green Note: use the provided reference table for color indicators below as a guide

Appl Of Ms Excel In Analytical Chemistry
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Chapter5: Equilibrium, Activity And Solving Equations
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Question 18
What is the pH of the solution given the following information?
Methyl orange = yellow
Methyl red = yellow
Bromothymol blue = green
%3D
Note: use the provided reference table for color indicators below as a guide
Indicator
Low pH color + Transition pH range • High pH color +
blue-violet
green
Gentian violet (Methyl violet 10B)
yellow
0.0-2.0
Leucomalachite green (first transition)
yellow
0.0-2.0
Leucomalachite green (second transition) green
red
11.6-14
colorless
Thymol blue (first transition)
1.2-2.8
yellow
Thymol blue (second transition)
yellow
8.0-9.6
blue
Methyl yellow
red
2.9–4.0
yellow
Bromophenol blue
Congo red
yellow
3.0-4.6
purple
blue-violet
3.0-5.0
red
Methyl orange
red
3.1-4.4
yellow
Screened methyl orange (first transition)
Screened methyl orange (second transition) grey
Bromocresol green
Methyl red
red
0.0-3.2
grey
3.2-4.2
green
yellow
3.8-5.4
blue
red
4.4-6.2
yellow
Azolitmin
red
4.5-8.3
blue
Bromocresol purple
Bromothymol blue
Phenol red
yellow
5.2-6.8
purple
yellow
6.0-7.6
blue
yellow
6.4-8.0
red
Neutral red
red
6.8-8.0
yellow
Naphtholphthalein
colorless to reddish
7.3-8.7
greenish to blue
reddish-purple
fuchsia
Cresol Red
yellow
7.2-8.8
Phenolphthalein
colorless
8.3-10.0
Thymolphthalein
Alizarine Yellow R
colorless
9.3-10.5
blue
yellow
10.2-12.0
red
pH 7
pH 6
O pH 8
O pH 5
Transcribed Image Text:Question 18 What is the pH of the solution given the following information? Methyl orange = yellow Methyl red = yellow Bromothymol blue = green %3D Note: use the provided reference table for color indicators below as a guide Indicator Low pH color + Transition pH range • High pH color + blue-violet green Gentian violet (Methyl violet 10B) yellow 0.0-2.0 Leucomalachite green (first transition) yellow 0.0-2.0 Leucomalachite green (second transition) green red 11.6-14 colorless Thymol blue (first transition) 1.2-2.8 yellow Thymol blue (second transition) yellow 8.0-9.6 blue Methyl yellow red 2.9–4.0 yellow Bromophenol blue Congo red yellow 3.0-4.6 purple blue-violet 3.0-5.0 red Methyl orange red 3.1-4.4 yellow Screened methyl orange (first transition) Screened methyl orange (second transition) grey Bromocresol green Methyl red red 0.0-3.2 grey 3.2-4.2 green yellow 3.8-5.4 blue red 4.4-6.2 yellow Azolitmin red 4.5-8.3 blue Bromocresol purple Bromothymol blue Phenol red yellow 5.2-6.8 purple yellow 6.0-7.6 blue yellow 6.4-8.0 red Neutral red red 6.8-8.0 yellow Naphtholphthalein colorless to reddish 7.3-8.7 greenish to blue reddish-purple fuchsia Cresol Red yellow 7.2-8.8 Phenolphthalein colorless 8.3-10.0 Thymolphthalein Alizarine Yellow R colorless 9.3-10.5 blue yellow 10.2-12.0 red pH 7 pH 6 O pH 8 O pH 5
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