What is the pH of a solution that is 0.05M in ethylamine and 0.08M in its chloride salt (pKa=10.8)

Q: Calculate the ratio of (conjugate base)/(conjugate acid) for an acetic acid /acetate buffer when the…

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Q: A weak monobasic acid is half neutralized by a strong base. If the pH of the solution is 5.4, its…

A: In the titration of monobasic acid and a strong base, Half neutralization point or Half equivalence…

Q: A known organic acid has pKa= 3.80. What is the percent dissociation of this organic acid in a…

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Q: H2CO3 is a diprotic acid with pKa1 = 6.36 and pKa2 = 10.33. What are the equilibrium concentrations…

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Q: The pKa of a particular weak acid is 4.81. What is the pH of the weak acid solution when exactly…

A: When half of the acid has been neutralised, that means the concentration of acid remaining will be…

Q: ОН

A: We will use concept of weak base

Q: What is the pH of a solution consisting of 0.85M HC2H3O2 and 0.60M NaC2H3O2? Given: Ka of HC2H3O2 =…

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Q: Calculate the ratio of (conjugate base)/(conjugate acid) for an acetic acid /acetate buffer when the…

A: The Acetic Acid/acetate buffer is acidic buffer with Henderson Equation as: pH=pKa + log [c2/c1] pH…

Q: What is the pH of a solution that is 0.01M in picric acid and 0.1M in sodium picrate. (pKa=0.38)

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Q: If 90.00 mL of a 1.780 MHNO2 solution is reacted with 1.950g NaOH, calculate the resulting pH. The…

A: Given : Volume of HNO2 = 90 ml  Molarity of HNO2 = 1.780 M

Q: monoprotic weak acid (HA) has a pKa value of 4.713. Calculate the fraction of HA in each of its…

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Q: a) A chemist found an old bottle in his chemical store labelled 'monoprotic carboxylic acid, Mr =…

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Q: weak

A: We used the Hinderson equation for calculating the concentration of salt ( NaA ) and it's acid ( HA…

Q: Solve the following problem, taking turns in your group to explain how to do the next step: What is…

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Q: The ionization constant (Kb) of trimethylamine ((CH)3)3N) is 7.40 x 10–5 . If 5.911 grams of…

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Q: A solution containing 0.200 M for ion X- and 0.180 M  HX has a pH of 9.22. What is the pKa of HX?

A: Since the solution is having X- i.e conjugate base of HX and acid HX. Hence the solution is a buffer…

Q: The weak acid HA is determined to be 8.32% dissociated when the initial concentration of HA is…

A: Initial concentration of HA = 0.0300 M Degree of dissociation = α = 8.32 % = 0.0832

Q: a pka value of 9 has more charged or more neutral molecules in a solution with the pH value:

A: If a base receives one proton, then the formed species is a conjugate acid whereas an acid lose one…

Q: At what pH is 50% of a compound, with a pKa = 7.3, in its basic form?

A: The Henderson-Hasselbatch equation makes it possible to calculate precisely how much compound is…

Q: Ka expression of hypochlorous acid

A: Hypochlorous acid is HClO  To write :- it's ionization reaction and ka expression  In Ka expression…

Q: What is the pH of a 0.36 M Sodium acetate solution (CH3COONa)…

A: Sodium acetate is a salt of a weak acid (CH3COOH) and a strong base (NaOH). Therefore, the pH…

Q: calculate Ka and the percent ionization of an acid HA given that 0.70 M of HA has a pH of 4.00

A: Weak acid are those acid which does not dissociate completely in aqueous solution.

Q: Saccharin is a monoprotic acid. If the pH of a 6.30 x 10–3 M solution of this acid is 5.63, what is…

A: The dissociation of saccharin is given as, HSac↔H+ + Sac- By definition, the acid dissociation…

Q: HC5H4NCOO(aq) + H2O(l) -----> <------ H3O+ (aq) + C5H4NCOO- (aq) Niacin, HC5H4NCOO, ionizes in…

A: From given  For Niacin we are determining equilibrium expression from the given equation and from…

Q: What is the pH of a solution

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Q: Oleic acid (which can be denoted as HOL), is a weak acid. Considering its sodium salt, sodium oleate…

A: We have to calculate the pKa of the HOL.

Q: what is the Ka value

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Q: Phosphoric acid (H₃PO₄) is a triprotic acid with pKa values of 2.12, 7.21, and 12.32. It is a useful…

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Q: A compound has a pKa of 7.4. To 100 mL of a 1.0 M solution of this compound at pH 8.0 is added 30 mL…

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Q: Like any equilibrium constant, Kᵥᵥ changes with tempera-ture. (a) Given that autoionization is…

A: Given: Autoionization of water is given as endothermic reaction.

Q: Oleic acid (which can be denoted as HOL), is a weak acid. Considering its sodium salt, sodium oleate…

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Q: 0.100M solution of monoprotic weak acid has a pH of 3.00. What is the pKa of this acid?

A: Let , weak monoprotic acid = HA  pH = 3.00  [HA] = 0.100 M

Q: If enough of a monoprotic acid is dissolved in water to produce a 0.0122 M solution with a pH of…

A: The dissociation of a monoprotic acid is represented as follows: HA(aq)+H2O(l) ↔ H3O+(aq)+A-(aq)…

Q: what is the equilibrium constant, Ka, for the acid?

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Q: A generic acid H3A has a pKa values of 3.26,5.76, and 12.29. In a solution with pH 2.13, the species…

A: Given that H3A has pKa values  pKa1 = 3.26 pKa2 = 5.76 pKa3 = 12.29 The ionizations are Ka1 : H3A…

Q: a 1L, 0.1M, pH = 7.4 buffer solution. The weak acid is 0.5M, pKa = 8.6. The conjugate base is 0.1M.…

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Q: Calculate the ratio of (conjugate base)/(conjugate acid) for an acetic acid /acetate buffer when the…

A: Using Henderson-Hasselbach equation,

Q: What is the Ka of bromoacetic acid if a 0.035 M bromoacetic acid aqueous solution has a pH of 2.22?

A: Let us take a reaction,        HX = H+ + X-  The dissociation constant of the above reaction is,  Ka…

Q: Consider a 0.14 M solution of thriethylamine with a pH of 4.8. Calculate the percentage ionisation…

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Q: Calculate the hydrogen-ion concentration and the pH of a solution of 0.0001M H2CO3, and also…

A: Reaction:                      H2CO3 -------&gt; 2H+  + CO32-          intial       C…

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: Calculate the pH of a 0.10 M solution of potassium acetate. The pKa for acetic acid = 4.76 (at…

A: Given, 0.10 M solution of potassium acetate. The pKa for acetic acid = 4.76 (at 25°C)

Q: The Ka of formic acid (HCHO) is 1.8 x 10^-4. Calculate the pH with 0.15 M potassium formate (KCHO).…

A: The reaction of an acid with a base will result in the formation of salt and water. The salt formed…

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: Write the form of the compound that predominates in a solution with a pH = 5.5. a. CH3CH2OH (pKa =…

A: pH of the solution = 5.5 According to the Henderson Hassel Balch equation, if pH of the solution is…

Q: Calculate the formate ion concentration and pH of a solution that is 0.050 M in formic acid (НСООН,…

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Q: Saccharin, a sugar substitute, is a weak acid with the formula, HC7H4NSO3.  The pKa of saccharin is…

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Q: a. If the pH at one-half the first and second equivalence points of a dibasic acid is 3.20 and 7.45,…

A: At half equivalence point (mid point) , the number of moles of acid (HA) is equal to its conjugate…

Q: 1. a. Tris (C4H6(OH)3NH2) has a Ka of 7.94 x 10−9. Calculate the Kbfor this compound. b. If a…

A: 1. a. Given that : Ka of Tris (C4H6(OH)3NH2) = 7.94 x 10−9 We have to calculate the Kb for this…

Q: A weak monobasic acid is half neutralized by a strong base. If the pH of the solution is 5. 4, its…

A: The question is based on the concept of titrations. we are titrating a weak acid and a  strong base.…