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Author Question: What is the pH of a 0.020 M HClO4 solution? (Read 50 times)

swpotter12

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on: Feb 15, 2020

Question 1

What is the approximate pH of a solution X that gives the following responses with the indicators shown?

IndicatorsHIn — In-pH range Solution X
methyl orangered-yellow3.2-4.4yellow
methyl redred-yellow4.8-6.0yellow
bromothymol blueyellow-blue6.0-7.6blue
phenolphthaleincolorless-pink8.2-10.0pink

◦ > 8.2
◦ 7.6 - 8.2
◦ 6.0 - 7.6
◦ 4.8 - 6.0

Question 2

What is the pH of a 0.020 M HClO4 solution?
◦ 1.70
◦ 0.040
◦ 12.30
◦ 0.020
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by swpotter12 on Feb 15, 2020

Joc

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Reply #1 on: Feb 15, 2020
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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swpotter12

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Reply 2 on: Feb 15, 2020
Excellent

ecabral0

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Reply 3 on: Yesterday
Gracias!

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