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Author Question: What is the pH of a 0.020 M HClO4 solution? (Read 48 times)

swpotter12

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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


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Marked as best answer by swpotter12 on Feb 15, 2020

Joc

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swpotter12

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Reply 2 on: Feb 15, 2020
Gracias!


sultana.d

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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