A) At 25°C, a 0.21 M  solution of diethylamine, (C2H6)2NH that acts as a weak base, is 4.0% ionized. What is Kb for diethylamine? Kb = __________ B) What is the pH of a solution obtained by mixing 0.75 L of 0.185 M  Ba(OH)2 and 0.14 L of 0.106 M  HCl? Assume that volumes are additive. pH = ________

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A: pH= -log [H+]

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A: #(a):  # Calculation for pH of HF: Given the molarity of HF = 0.02 M

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A: Solution: b.   c.

Q: (Q25) A buffer solution is prepared by adding 0.797 moles of formic acid and 0.866 moles of sodium…

A: ★ Answer : pH of the solution will be 4.027  ★ Solution :

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A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: 7. Carbonic acid (H2CO3) is a diprotic acid with Ka1 = 4.30 × 10–7 and   Ka2 = 5.60 × 10–11 What…

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Q: 7. a) Calculate the pH of a 2.0 M aqueous solution of H2SO4. b) Calculate the pH of a 5.0 × 10 M…

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Q: 6. The pH of a 0.50 M solution of the weak base ethyl amine, C2H5NH2, is 12.20. a. Write the…

A: As per our guidelines, we are supposed to answer only one question. Kindly repost other question as…

Q: Methylamine (CH3NH2, Kb = 5.25 x 10^-7) is a weak base that hydrolyzes water according to the…

A: Given,  CH3NH2(aq)+H2O(l) <--> CH3NH3+(aq) + OH-(aq)  Methylamine (CH3NH2, Kb = 5.25 x 10^-7)…

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Q: Ascorbic acid (vitamin C, C6H8O6) is a cliprotic acid (Ka1= 6.8 x 10-5 and Ka2 = 2.7 x 10-12). What…

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Q: An acid mixture contains 0.60 M HClO (Ka = 2.9 × 10−8) and 0.50 M H2O2 (Ka = 2.4 × 10−12).  What is…

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Q: 1. calculate the pH of a solution obtained by mixing 30.4 mL of 0.03 M HCL with 31.4 mL of o.1 M…

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Q: A solution is made by dissolving 44.1 g of Ba(NO₂)₂ in 500.0 mL of water.   (a) Does Ba²⁺ have any…

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