Propionic acid, a common constituent of anaerobic digesters, dissolves in water and dissociates into CH3CH2COO- and H+: CH3CH2COOH <-> CH3CH2COO- + H+ pKa=4.87 If the pH of the digester contents is 7.6, what percentage of propionic acid (α) at 25 ºC?

Q: Calculate the pH of the following acid solutions at 25 °C: (a) 1.0 x 10-4 M H3BO3(aq) (boric acid…

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

Q: The following observations are made about a diprotic acid H2A: (i) A 0.10 M solution of H2A has…

A: pH of a 0.10 M solution of H2A is 3.10 and 0.10 M solution of a salt NaHA is acidic.

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Q: 1) A 0.45M aqueous solutionof creatine, (C4H9N3O2), has a pH of 1.49. Calculate the value of the…

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Q: Calculate the pH at 25 °C of a 0.80 M solution of potassium butanoate (KC, H,CO,). Note that…

A: Given,  [KC3H7CO2] = C = 0.80 M  pKa value of HC3H7CO2 = 4.82  Calculate the pH = ?

Q: Calculate the pH of a 0.0500M solution of phenylacetic acid, C6H5CH2COOH and  0.0200M with its salt,…

A: Given,  The pH of a 0.0500M solution of phenylacetic acid, (C6H5CH2COOH) and  0.0200M of its salt,…

Q: Phenylacetic acid is a weak organic acid with K, = 4.9 x 105. What would be the pH of a 0.0200 M…

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Q: 1) Calculate the pH (aq., 25 °C) of a 0.073 M Novocaine (C13H21O2N2CI) solution, which is the salt…

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Q: Amphetamine (C,H13N) is a weak base with a pKp of 4.2. Part A Calculate the pH of a solution…

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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: Three (3) 0.10 M acid solutions were prepared and their pH values were recorded. Match the solution…

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Q: Aqueous acids may be placed in order of acid strength according to their pka values. In the…

A: Titration methods can be used to determine the Ka of the acid thereby the strength can be known.…

Q: Abbreviating malonic acid, CH2(CO2H)2, as H2M, find the pH and concentrations of H2M, HM, and M2…

A: a.

Q: Calculate the formate ion concentration and pH of a solutionthat is 0.050 M in formic acid 1HCOOH,…

A: Given, 0.050 M in formic acid Ka = 1.8 x 10-42 0.10 M in HNO3

Q: Hydrogen cyanide, HCN, also called hydrocyanic acid is a weak acid with a pKa near 10. What would be…

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Q: glycine

A: We wil calculate initial concentration. pH= 2.4 Ka= 4.5 x 10 ^-3

Q: Which of the following statements is/are correct at 25 °C? 1. Benzoate (C,H;O2) requires a Ka to…

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Q: Can an antacid tablet containing 500 mg of Al(OH)3be sufficient in neutralizing 100 mL of stomach…

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Q: What molar ratio of HPO42-to H3PO4- in solution would produce a pH of 7.0? Phosphoric acid (H3PO4 ),…

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Q: beginning with arecoline (pKa:7.6), Show the acid dissociation equilibrium reaction for arecoline in…

A: Structure of arecoline:

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: What is the pH of a balsamic vinegar having an acetic acid (M.W. = 60.05g/mol; Ka = 1.8 x 10^-5)…

A: Given, M.W. of acetic acid HC2H3O2 = 60.05 g/mol Ka of acetic acid = 1.8 × 10-5 w/v (weight of…

Q: 1.Write down the equation for the reaction of the following acids with water and identify the…

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

Q: Lactic acid, CH3CH(OH)COOH, is a monoprotic acid that is present in sour milk. The pH of a 0.100 mol…

A: [H3O+]= 10-pH [H3O+]= 10-2.44 [H3O+]=3.6308 x 10-3 M

Q: Calculate the pH of the following solutions: a. 0.34 M hydrocyanic acid. b. 1.5 M solution of…

A: pKa of hydrocyanic acid is 9.2

Q: When 2.0 x 10-2 mole of nicotinic acid (a monoprotic acid) is dissolved in 350. mL of water, the pH…

A: Nicotine is a weak monoprotic acid so it dissociated in less amount. So we can denotes it by HA .

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…

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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…

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

Q: An organic acid (HA) has a molecular weight of 100. g mol 1, a Kow = 5.6 and a K, = 2.7 x 10-2. If…

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Q: What is the pH of 0.31 M diethylammonium chloride, (C2H5)2NH2Cl.  The Kb of diethylamine, (C2H5)2NH,…

A: The pH of the 0.31M diethylammonium chloride is given below

Q: the pH value of an aqueous solution of trimethylamine [(CH3)3N] is 10.75, what should the molarity…

A: Answer  Calculate molerity C = ?

Q: A monoprotic weak acid (HA) has a pK, value of 4.896. Calculate the fraction of HA in each of its…

A:

Q: Calculate the pH of a solution that is 1.8*10^-3 M morphine if the pKa of its conjugate acid is 8.21

A: We have to predict the pH of the morphine solution.

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

A:

Q: Consider the molecule, pentanoic acid which has a pKa of 4.81: H3C OH  Draw the predominate…

A: Given compound: Pentanoic acid pKa = 4.81

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Q: Ascorbic acid, H2C6H6O6, is a diprotic acid with Ka1 = 7.9 * 10-5 and Ka2 = 1.6 * 10-12.  What is…

A: Dissociation constants of ascorbic acid  given are as follows: Ascorbic Acid dissociates as…

Q: A.) What is the pH of a 0.25 M solution of sodium propionate, NaC3H5O2, at 25°C? (For propionic…

A:

Q: Calculate the pH of a 0.500 M solution of the amino acid, asparagine, that was prepared from the…

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Q: acid base K. K, name formula name formula HNO2 4.5 x 10 -4 nitrous acid pyridine C3H;N 1.7× 10-9 --…

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Q: Calculate the pH of an aqueous solution that is 0.295 mol L-1 in sodium formate (HCOONA) and 0,.205…

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Q: Calculate the pH of a 27 mg/L solution of hydrocyanic acid (HCN). The pKa of hydrocyanic acid is…

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A: