A weak acid, HA, has a pKa of 4.838. If a solution of this acid has a pH of 4.675, what percentage of the acid is not ionized? Assume all H+ in the solution came from the ionization of HA.

Q: What is [H] in a 0.430 M solution of acrylic acid, CH2CHCOOH (Ka = 3.16 × 10 5)? %3D

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Q: Calculate the change in pH that results from adding 0.160 M NaNO3 to 1.00 L of 0.160 HNO3 (aq).

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Q: Calculation of pH (SHOW CALCULATION FROM THE GRAPH IATTACH GRAPHI 2.Find out pH at equivalent to…

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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…

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Q: A 0.495M solution of nitrous acid, HNO2, has a pH of 1.83. Calculate the value of Ka for nitrous…

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Q: Malonic acid (Ka1 = 1.42 x 10–3, Ka2 = 2.01 x 10–6) can exist as one of the 3 forms shown below.…

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Q: Calculate the pKa of hypochlorous acid. The pH of a 0.015 M  solution of hypochlorous acid has a pH…

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Q: Phosphoric acid, H3PO4(aq),H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has…

A: Given: Concentration of H3PO4 = 0.4 M pKa1 = 2.167 pKa2 = 7.21 pKa3 = 12.32   Calculation for ka…

Q: 10.T/ An industrial chemist prepares a 0.025 mol/L solution of hydrazoic acid, HN3(aq), a weak…

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Q: Calculate the concentration of OH− and the pH for a 0.15 M aqueous solution of morphine (C17H19NO3,…

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Q: Hypochlorous acid, HClO, has a pKa of 7.54. What are [H3O+], pH, [ClO-], and [HClO] in 0.133 M HClO?

A: Please go through the below pic for the reaction taking place and Ka expression.

Q: Write the net ionic equation for the hydrolysis reaction that occurs when sodium carbonate, Na,CO3…

A: When sodium carbonate is made to react with water, it gives sodium bicarbonate and sodium…

Q: Write an equation for the proton-transfer reaction between a phosphate ion (PO43–) and water, and…

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Q: n chemistry, the pH of a solution is a measure of the acidity or alkalinity of a solution. Water has…

A: Given : Concentration of hydrogen ion = 8 x10-8 M.

Q: odium nitrate (NaNO2) was often added to processed meat to enhance color and to protect against the…

A: NaNO2 belongs to a category of a salt of a weak acid and strong base: NaNO2 ⇌Na+ +NO2- NO2-+H2O ⇌…

Q: weak

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

Q: QUESTIÓN 23 The Ka of HCIO is 3.00 x 10, What is the pH of a 0.0385 M aqueous solution of this acid?…

A: Given, the concentration of HClO =0.0385 MKa for the HClO =3.00×10-8we are asked to calculate the pH…

Q: Calculate the pH of a solution containing 0.3 M HCOOH and 0.1 M HCOO (pKa of HCOOH = 3.76)

A: Concentration of HCOOH (Acid) = 0.3 M  Concentration of HCOO- (conjugate base of acid) =  0.1 M  pKa…

Q: Barbituric acid, HC4H3N2O3, is used to prepare various barbiturate drugs. Calculate the…

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Q: Consider the molecule, pentanoic acid which has a pKa of 4.81: H3C OH  At each of the following pH…

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Q: Determine the pH of each of the following solutions. (a) 0.762 M hypobromous acid (weak acid…

A: Here, we have to calculate the pH of the given solutions: 0.762 M hypobromous acid (weak acid with…

Q: The concentration of acetic acid (pKa =4.75) in vinegar is about 1.0 M. With this information, what…

A: Acetic acid is a weak acid and it does not dissociate completely into ions. The pKa of acetic acid…

Q: What is the pH of 0.41 M HCIO? Ka = 3.0 x 10-8? %3D

A: We are provided with information,  [HClO] = 0.41 M Acid dissociation constant Ka = 3.0 × 10-8  We…

Q: Which of the following is strongest acid HA (pka = 1) HB (pka = 2) HD (pa = 3) НЕ (pка — 4)

A: Pka of acid is given by the negative logarithm of Ka i.e pKa = -log Ka where Ka is the acid…

Q: Which of the following salts are acidic?     HONH3Br     CsI     Na2SO3…

A: Positive amines are acidic. [ NH3OH ]+ Ion is the  positively charge counter ion. so it is…

Q: 5.) A typical aspirin contains 324 mg of aspirin (HC,H,O4) with Ka = 2.8 x 104. If you dissolve two…

A: pH = -log[H+] Aspirin is a weak acid. For a weak acid solution: [H+] = (Ka x C)1/2 Where, C = molar…

Q: At what pH is the concentration of a compound, with a pKa = 8.4, 100 times greater in its basic form…

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Q: 10. A solution of nitrous acid has a pH of 2.10. What is the concentration of nitrous acid in this…

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

Q: Find the pH and the concentrations of H2SO3, HSO3, and SO23 in each of the following solutions:…

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Q: What is the pH of a 0.028 M solution of pyridine? The pKa for the pyridinium ion is 5.20. a)7.00…

A: pH of solution is determined by taking negative logarithm of hydronium ion concentration.…

Q: Oxalic acid is a diprotic acid with ionization constants Ka = 5.62 x 10- and K = 5.42 x 10-5.…

A: Potassium hydrogen oxalate is potassium salt of oxalic acid. It have second H+ ion to donate. So to…

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: The pKa of a particular weak acid is 4.85. What is the pH of the weak acid solution when exactly…

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

A: pH of a solution =?    [ C2H5NH2 ] = 0.05 M    [ C2H5NH3+ ] = 0.08 M Acid dissociation constant :…

Q: Calculate the pH and percent ionization of 0.05 M acetic acid Ka = 1.8 x 10 -5. %3D

A: Given, Concentration of acetic Acid (C) = 0.05 M Ka for acetic acid = 1.8 × 10-5  pH = ? Percent…

Q: Barbituric acid, HC4H3N2O3, is used to prepare various barbiturate drugs (used as sedatives).…

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Q: Calculate the pH of a 0.1M solution of protonated methylamine (pKa =7)

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Q: An organic acid has pka = 2.87. What is its Ką value?

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Q: What is the pH of a 0.050 M solution of formic acid?

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

Q: At what pH is the concentration of a compound, with a pKa = 3.7, 10 times greater in its acidic form…

A: Given information: pKa = 3.7 [Acid] = 10[Base]

Q: Calculate the pH and ionization percentage of 0.2 M ammonium hydroxide solution if PKa = 4.7…

A: PH = 9 and % = 0.005 %  But this option is not given

Q: A weak acid, HA, has a pKa of 4.268. If a solution of this acid has a pH of 4.853, what percentage…

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Q: Based on the materials measured in the Gizmo, what is the most likely pH of apple juice? O A. 0.3 О…

A: The easy formula to calculate the pH is -log[H+]. Here [H+] is the molar concentration of the…

Q: Write the balanced NET IONIC equation for the reaction that occurs when nitri acid and sodium…

A: The explanation is given below-

Q: The pka of a particular weak acid is 4.85. What is the pH of the weak acid solution when exactly…

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Q: Calculate the degree of ionization of morphine, pKa 8.0, in a solution with a pH of 2.2. Predict how…

A: The question is placed on the concept of equilibrium. we have to identify degree of dissociation of…