Calculate the pH of 1.25x10^-2 M of the decongestantephedrine hydrochloride if the pKb of ephedrine (itsconjugate base) is 3.86.

Q: Part A: Write an equation that represents the action in water of hydrosulfuric acid (H2S) as a…

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Q: What is the conjugate acid of HBO32-

A: Given base,          HBO32-   this conjugate base formed in the second ionization of boric acid.

Q: Calculate the pH of a 1.22×10-2 M solution of the decongestant ephedrine hydrochloride if the pKb of…

A: The pH of the decongestant ephedrine hydrochloride can be calculated as

Q: Write the three step-wise acid dissociation reactions for phosphoric acid, and give the equation for…

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Q: What would be the structure of alanine if HCI(aq) was added to lower the pH = 1? What would be the…

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Q: Compare the pH of propionic acid and nitric acid when they are dissolved in water at a concentration…

A: Given: Concentration of both the acids = 20 mM or 20×10-3 M To find: pKa, pH and percent…

Q: Calculate the pH of a 1.01×10-2 M solution of the decongestant ephedrine hydrochloride if the pKb of…

A: Given:Molarity = 1.01×10-2 MpKb of ephedrine = 3.86we need to Calculate the pH.

Q: Calculate the pH of a 0.100 M solution of alanine prepared from the form shown below. pKa (-COOH) =…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Propanoic acid, CH3CH2COOH, has a pKa =4.9. Draw the structure of the conjugate base of propanoic…

A: The conjugate base is a species formed when the hydrogen ion (proton) is lost from an acid during…

Q: Write a net ionic equation to show that isoquinoline, C,H¬N, behaves as a Bronsted-Lowry base in…

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Q: The base protonation constant K, of 1-H-imidazole (C,H,N,) is 9.0 × 10. Calculate the pH of a 1.2 M…

A: Given Values: The protonation constant Kb of 1-H-imidazole is 9*10-8 The concentration of the…

Q: The base protonation constant K, of allantoin (C,H,N,0,NH,) is 9.12 x 10 °. Calculate the pH of a…

A: Given-> Kb of allantoin = 9.12 × 10-6 Molarity = 1.3 M

Q: Citric acid is a triprotic acid. The stepwise acid dissociation constants areK1 = 7.45 x 10–4, K2 =…

A: In this question, we will Identify the species which is major one at pH = 5.0  You can see details…

Q: The base protonation constant K of azetidine (C,H,NH) is 1.5 x 10 Calculate the pH of a 0.70 M…

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Q: If not, which direction does it need to move (right or left) to reach equilibrium? Explain.

A: For the reaction   C6H5NH2(aq)+ H2O (l)------>C6H6NH3+(aq)+OH- Q= reaction coefficient =…

Q: What is the FORMULA and NAME of the conjugate acid of bisulfite ion?

A: Interpretation : We have to tell the formula and name of conjugate acid of bisulfite ion.

Q: Propose the relative ratio and chemical structures of the acid form and conjugate base of the…

A: Henderson Hasselbalch equation: pH=pKa+log[base][acid]

Q: The base protonation constant K, of azetidine (C,H,NH) is 1.5 × 10¯ °. Calculate the pH of a 1.0 M…

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Q: The base protonation constant K, of 1-H-imidazole (C,H,N,) is 9.0 × 10 °. Calculate the pH of a 0.28…

A: First Concentration of OH- is dind out and then pOH.  And we know that  pH + pOH =14

Q: Given that the acid dissociation constant for benzoic acid (HOBz) is Ka= 6.5 x 10^−5. Calculate the…

A: Recall the dissociation of benzoic acid      HOBzaq+H2Ol→OBz-aq+H3O+aq  Acid dissociation…

Q: A 0.119 M solution of Covidenol, a weak acid, has a measured pH of 3.45. Determine the pka of…

A: For weak acid  PH= (1/2)(pka-log c)

Q: In a typical laboratory set-up, what conditions are necessary in carrying out acid/base hydrolysis…

A: In typical laboratory set-up we have to be more careful while carrying out acid/base hydrolysis of…

Q: Show how you calculated the pka of the two acids A) phosphoric acid ph= 2.63 B) sulphurous acid ph=…

A: Answer: Given data- pH of phosphoric acid= 2.63 and pH of sulphurous acid= 2.30. To find - pKa…

Q: What is the pKg of its conjugate base?

A: Given :- Ka = 7.89 × 10-8  Calculate :- pKb of the conjugate base

Q: 10. Given the pH of 1.5 M chloroacetic acid, CH2CICOOH solution is 1.96. a. Write an equation to…

A: " Since you have posted a question with multiple sub-parts , we will solve first three sub-parts for…

Q: Calculate the ratio [CH3COOH]/[NaCH3COO] that gives a solution with pH = 5.00? Hint: Rearrange the…

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Q: Pyridine is a weak base with K, = 1.7x10-10. %3D C3H5N(aq) + H20) C5H5NH" (aq) + OH Write the K…

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Q: The base protonation constant K, of lidocaine (C14H„NONH) is 1.15 × 10°. Calculate the pH of a 0.86…

A: Given, Kb of lidocaine, C14H21NONH = 1.15 × 10-8 Concentration of lidocaine = 0.86 M

Q: The Kb for ethylamine (C2H5NH2) is 5.6 x 10-4. What is the pH of a 0.020 M solution of ethaylamine?

A: The reaction is –              C2H5NH2 + H2O↔C2H5NH3+ + OH-I                 0.02…

Q: 10. Given the pH of 1.5 M chloroacetic acid, CH2CICOOH solution is 1.96. a. Write an equation to…

A: The concept is that the stronger is the acid, weaker is its conjugate base.

Q: Fill in the left side of this equilibrium constant equation for the reaction of azetidine C3H6NH, a…

A: At equilibrium, the rate of the forward and the reverse reaction is the same and the concentration…

Q: Determine the pka of an acid whose concentration is 0.100M and pH is 2.86.

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Q: What is the mathematical relation between the pKa and pKb of conjugate acid-base pair in ethanol?

A: The reaction for Ethanol ionization is,

Q: The base protonation constant K, of azetidine (C,H,NH) is 1.5 × 10 Calculate the pH of a 1.1 M…

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Q: The pKaa of the conjugate acid of guanidine is 13.6, making it one of the strongest neutral organic…

A: The conjugate acid of the guanidine is as shown above which has the presence of three nitrogen group…

Q: The pKa of the conjugate acid of guanidine is 13.6, making it one of thestrongest neutral organic…

A: Given: The given conjugate acid is guanidine. pKa=13.6

Q: The base protonation constant K of azetidine (C²H²NH) is 1.5 × 10¯8. Calculate the pH of a 0.39 M…

A: The base protonation constant Kb of azetidine C3H6NH is 1.5 × 10-8 .We have to calculate the pH of…

Q: Methyl Amine (CH3NH2) is a weak base with a Kb of 4.38 x 10-4. What would be the pH of a solution of…

A: The above salt is a mixture of weak base and strong acid. When it dissolves in water it forms an…

Q: Calculate the pOH of a solution that is 0.165 M morphine C17H19O3N and 0.386 M morphine…

A: In this solution, the morphine (C17H19O3N) is a weak base and morphine hydrochloride (C17H19O3NCl)…

Q: How do I use the numbers given to find the masses in grams?

A: Preparation of a buffer solutionBuffer is a solution that can resist any change in its pH by the…

Q: Note that lidocaine (C14H21NONH) is a weak base with a p K, of 7.94. Calculate the pH at 25 °C of a…

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Q: provide an explanation of the graphs (a) and (b) the relationship of the biological activity of the…

A: Sulfonamide (also known as sulfa drugs) is the fundamental functional group of more than a few…

Q: The base-dissociation constant of ethylamine (C2H5NH2) is 6.4 x 10* at 25.0 °C. The [H*] in a 1.6 x…

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Q: Codeine 1C18H21NO32 is a weak organic base. A 5.0 * 10-3M solution of codeine has a pH of 9.95.…

A: Given: Concentration of the solution=5.0×10-3M pH=9.95 To find: The pKb for the base.

Q: Calculating the pH of a weak base solution The base protonation constant K, of morpholine (C,H;ONH)…

A: Given, Kb of morpholine (C4H8ONH) = 2.14 × 10-6 Concentration of morpholine (C) = 1.3 M pH = ? Note:…

Q: An unknown acid was believed to be either o-nitrobenzoic acid (melting point 146-148 degrees…

A: Both given choices are monoprotic acid , so they would have 1 : 1 reaction with NaOH . So we can…

Q: How to identify the conjugate base of phenolpnthalein

A: The entity produced when an acid gives up a proton is called the conjugate base of the parent acid.…

Q: Calculate the concentration of HC6H6O6^- in an aqueous solution of 0.0785 M ascorbic acid, H2C6H6O6…

A: given, 0.0785 M ascorbic acid find - Calculate the concentration of HC6H6O6^- in an aqueous solution

Q: B. Determination of the hydrolysis constant (or acid dissociation constant, Ka) of NH4+.

A: Given: Concentration of NH4Cl =0.01 M pH of the solution: 5.91 To determine: Hydrolysis constant of…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.