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Author Question: When equal molar amounts of the following sets of compounds are mixed in water, which will not form ... (Read 71 times)

NguyenJ

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on: Feb 15, 2020

Question 1

What is the [CH3CO2-]/[CH3CO2H] ratio necessary to make a buffer solution with a pH of 4.24? Ka = 1.8 × 10-5 for CH3CO2H.
◦ 0.89:1
◦ 3.2:1
◦ 0.31:1
◦ 1.1:1

Question 2

When equal molar amounts of the following sets of compounds are mixed in water, which will not form a buffer solution?
◦ NH3 with NH4I
◦ CH3CO2H with LiCH3CO2
◦ HNO3 with LiNO3
◦ KH2PO4 with K2HPO4
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by NguyenJ on Feb 15, 2020

yotaSR5

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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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NguyenJ

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Reply 2 on: Feb 15, 2020
Wow, this really help

sultana.d

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Reply 3 on: Yesterday
Gracias!

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