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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 104 times)

NguyenJ

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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


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Marked as best answer by NguyenJ on Feb 15, 2020

yotaSR5

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NguyenJ

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Reply 2 on: Feb 15, 2020
Excellent


frankwu0507

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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