Hypochlorous acid, HClO, has a pKa of 7.54. What is [ ClO− ] in 0.115 M HClO?    [ ClO− ] =   × 10   M

Q: pKa НА 5.34 HB 3.22 HA + B = A + HB A) There should be more products at equilibrium because HA is a…

A: Applying concept of Pka and acid strength relationship.

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: If a pH meter was placed in a 1.4 mol/L solution of nitric acid, the reading would be which of the…

A: pH is the negative logarithm to the base 1ten of hydronium ion concentration of a n aqueous solution…

Q: Ammonium ion, NH4+, is a weak acid and its pKa is 9.25. (a) Write the balance chemical equation…

A: We will use weak acid concept

Q: 11. The ionization constant, Kw, of water at 60 °C is 1.00 x 10-13. What is the pH of pure water at…

A: Given Kw = 1.00 x 10-13

Q: A.) What is the pH of a 5.3×10-3 M solution of calcium hydroxide? pH =  B.) What is the pH of a…

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Q: Which of the following salt solutions will be the most basic? O 0.5 M NaNO3 O 0.5 M NaNO2 O 0.75 M…

A: The acidity order of the oxyacids is given by as follows : HClO4 > HClO3 > HClO2  And HCl also…

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: 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: What is the hydroxide ion concentration in a solution of pOH 8.14?

A:

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: What is the pH of a 0.100 M solution of potassium hydrogen phthalate, KHC8H4O2? For phthalic acid,…

A: Given data : Potassium hydrogen  phthalate, (KHC8H4O2 ) is a phthalic acid. So, pKa = -log[Ka] Ka =…

Q: 3. Calculate the equilibrium constant of the following reaction: H;S = 2H* + S Knowing that H;S has…

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

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Q: The equilibrium constant for the following reaction: NH3(aq) + H20(e) Z NH4*(aq) + OH (aq) is: Keq =…

A: Equilibrium constant is the ratio of concentration or pressure of products to that of reactants.

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: A weak acid, HA, has a pKa of 4.838. If a solution of this acid has a pH of 4.675, what percentage…

A: Given:pKa = 4.838pH =4.675

Q: From what acid and what base are these salts below made from? a. Ca(NO3)2 b. NH4Br c. BaCl2

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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: 5. For aqueous solutions of the following compounds, indicate whether they will be acidic, basic or…

A: Solution                                     Given that a) NaNO3 b) LiBr c) KOH d) NaNO2 e) KClO f)…

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: Which of the following salts will form an aqueous solution with pH = 7? a. Na2PO4 b. NaNO3 c. NH4Cl…

A: In a chemical reaction; the substance which involves in conversion is said to be reactant whereas…

Q: A strong base, such as sodium hydroxide (NAOH), is added in a solution of 0.1 mol/L acetic acid…

A: Given:     Here we have to use the concept of buffer solution and apply the Handersons equation for…

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: Methylamine CH3NH2 is a weak base with pKb =3.36. What is the value of Ka for the trimethylammonium…

A: Answer: This question is based on conjugate acid-base pair.

Q: What is the equilibrium hydronium ion concentration of a 0.100 M hypochlorous acid solution with Ka…

A: Hypchlorous acid is a weak acid, it does nit dissociate completely in aqueous medium.  Thus from ICE…

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: Which of the following is an amphoteric metal hydroxide?Ba(OH)2 LiOH KOH Pb(OH)2 Mg(OH)2

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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…

A:

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

A: Given data: The concentration of Barbituric acid solution [HC4H3N2O3]=0.10 M. The acid dissociation…

Q: Nitrous acid HNO2 has K = 4.6 x 10ª. Which of the following statements are true. You can choose any…

A: Nitrous acid is weak monoprotic acid that is used to make diazonium salts from amine. Nitrous acid…

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

A:

Q: Solubility of gases in water increases with increasing mass. Explain?

A: Since you have posted multiple questions, we will answer only first question for you. If you want…

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: The acid dissociation constant, Ka, for phosphorous acid is 7.1 x 10-3 . If the concentration of the…

A: Given data : Dissociation constant for phosphorous acid = 7.1 x 10-3 Concentration of Hydrogen…

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: Given that a weak acid has a pKa of 3.45, find the % ionization of a 0.345 M solution of weak acid.

A: Let the weak acid be HA,its concentration is 0.345,and degree of dissociation/degree of ionisation…

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

A: The explanation is given below-

Q: A solution of 1.5 M chlorous acid has a pH of 0.91.  What is the percent ionization of the chlorous…

A: Given, A solution of 1.5 M chlorous acid has a pH of 0.91.  KA = 1.1 x 10−2.

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

A:

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…

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