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Author Question: Determine the ammonia concentration of an aqueous solution that has a pH of 11.30. The equation for ... (Read 52 times)

wrbasek0

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Question 1

Aniline, (C6H5NH2, Kb = 4.3 × 10-10 at 25°C) is an industrially important amine used in the making of dyes. Determine the pH of an aniline solution made by dissolving 3.90 g of aniline in enough water to make 100 mL of solution.
◦ 4.87
◦ 9.74
◦ 9.13
◦ 10.74

Question 2

Determine the ammonia concentration of an aqueous solution that has a pH of 11.30. The equation for the dissociation of NH3 (Kb = 1.8 × 10-5) is

NH3(aq) + H2O(l) ⇌ NH4+(aq) + OH-(aq).


◦ 2.7 M
◦ 2.0 × 10-3 M
◦ 0.22 M
◦ 9.0 × 10-3 M


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Marked as best answer by wrbasek0 on Feb 15, 2020

Zack0mack0101@yahoo.com

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wrbasek0

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


coreycathey

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Reply 3 on: Yesterday
Excellent

 

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