What is the pH of a solution when 4.9 g of ammonium bromide, NH4Br (M=98) , is used to make 200 mL of solution?  NH4+(aq) + H2O(l) →H3O+(aq) + NH3(aq) The equilibrium constant Kc= 5.6 x 10-10

Q: What is the pH of an aqueous solution that is 0.123 MNH4Cl?For ammonia pKb= 4.74

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Q: What is the equilibrium concentration of H2C2O4 in a .542 M oxalic acid H2C2O4 solution? For oxylic…

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Q: What is the pH of a 0.40 M ammonia solution? Kb = 1.85 × 10-5

A: Ammonia = 0.40 M Kb =  1.85 × 10-5 Ammonia is weak base . Kb is the dissociation constant of Ammonia…

Q: HC3H5O3, is found in sour milk. What is the pH of 0.30M lactic acid? Ka=1.4 ' 10-4

A: The reaction of lactic acid releasing H+ ion in water is given as-…

Q: Lactic acid, HC3H5O3, is found in sour milk. What is the pH of 0.30 M lactic acid?  (Ka= 1.4, 10-4)

A: Given that,  the concentration of lactic acid (HC3H5O3) = 0.30 M, dissociation constant Ka =…

Q: Tartaric acid is found in many fruits including grapes. Tartaric acid is partly responsible for the…

A: The dissociation of tartaric acid can be represented as: H2C4H4O6+H2O↔HC4H4O6-+H3O+…

Q: For H2CO3, Ka1 = 4.3 x 10-7, K22 = 4.7 × 10-11 What is the pH of a 0.15 M solution of carbonic acid?

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Q: 8. Given the following equilibrium reaction of NH3: H2O0) OH (aq) + NH3aq) + NH4" (aq) + Determine…

A: In this question, we want to determine the pH of the Solution.  You can see details Solution below…

Q: A monoprotic weak acid, HA, dissociates in water according to the reaction HA(aq) + H₂O(1) ⇒…

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Q: What is the pH of a solution when 4.9 g of ammonium bromide, NH4B (M=98) , is used to make 200 mL of…

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Q: The pH of a 0.55 M aqueous solution of hypobromous acid, HBRO, at 25.0 °C is 4.48. What is the value…

A: pH of  HBro = 4.48    -logH+ = pH             H+ =10-pH             H+ = 10-4.48…

Q: A 1.0 M solution is made with the imaginary polyprotic acid H2A. For this acid, K31 = 1 x 10-6 and…

A: pH of an acidic solution is dependent on the hydronium ion concentration.

Q: 15. Determine the [H3Oʻ] concentration AND the pH of a 5.56 M HCN solution. The Ka for HCN is 5.8 x…

A: The weak acid dissociates into its ions when present in the solution.HCN+H2O↔H3O++CN-Ka=H3O+CN-HCN

Q: What is the pH of a 2.8 M potassium benzoate, KC6H5COO, solution? (benzoic acid Ka = 6.4 * 10-5)

A: The Kb value of benzoate ion is first calculated.

Q: 8. Given the following equilibrium reaction of NH3: H2O(1) NH4 (aq) OH (aq) + NH3aq) + Determine the…

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Q: What is the equilibrium concentration of H2C2O4 in a 0.542 M oxalic acid, H2C2O4, solution? For…

A: Acid dissociationHere we have a weak acid H2C2O4 which dissociates only to a small extent.

Q: pH

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Q: What is the pH of a solution containing 0.225 M weak base, B', with a K, of 3.8 X 10-7? в (аq) + Н,О…

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Q: Acetic acid, C₂H4O2(aq), is the weak monoprotic acid found in vinegar. It has a Ka value of 1.75 x…

A: given data  concentration of acetic acid = 0.84 mol/L Ka = 1.75×10-5 find conc of H3O+

Q: In which of the following aqueous solutions does the weak acid exhibit the highest percentage…

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Q: 8) What is the pH of a solution containing 0.280 M weak base, B', with a K, of 3.9 X 10?? (10.51) в…

A: This question can be solved using ICE approach.

Q: Which one of the following 1.0 M solutions would have the lowest pH? Weak Base Kp C5H5N 1.7 x 10-9…

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Q: What is the pH of a solution made by adding 0.50 m of formic acid (HCOOH) and 0.30 mol of sodium…

A: The given reaction  HCOOH + H2O = HCOO- +H3O + The required rate constant formula is :

Q: For the diprotic weak acid H₂A, K₁1 = 3.8 x 10-6 and K₁₂ = 7.7 x 10-⁹. What is the pH of a 0.0750 M…

A: Given,  The concentration of H2A = 0.0750 M.  Ka1 = 3.8 × 10-6  and  Ka2 = 7.7 × 10-9  The pH of the…

Q: What is the pH of a 0.035 M solution of benzoic acid, C6H5COOH? Ką = 6.5 x 10-5

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Q: What is the pH of a solution containing 0.30 M NH4OH and 0.52 M NH4Cl? Kb= 1.8 x10-5

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Q: What is the pH of the solution containing 0.1M sodium formate (NaHCOO) and 0.05M formic acid…

A: Required data to determine the pH of buffer solution using Henderson equation.

Q: Boric acid, BOH is used as a mild antiseptic. What is the pH of a 0.025 aqueous solution of boric…

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Q: What is the pH of a 0.30 M pyridine solution that has a Kb 1.9 x 10 2 The equation for the…

A: Consider the given information is as follows; Initial concentration of pyridine C5H5N = 0.30 M pH =…

Q: What is the pH of a 4.8 M pyridine solution that has Kp = 1.9 x 109? The equation for the…

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Q: For the diprotic weak acid H2A, Kal = 3.0 x 10-6 and K2 6.0 x 10-9. %3D What is the pH of a 0.0400 M…

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Q: pH

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Q: 7. In aqueous solution, hydrazine is a base that can accept two protons: N,H4(ag) + H2O(1) 2…

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Q: If the bicarbonate ion (HCO3-) concentration in a sample of blood is 0.135 M, determine the carbonic…

A: Given  [HCO3-]  = 0.135 M  PH = 7.35  Reaction  H2CO3( aq)  → HCO3-(aq)  + H+(aq)             Ka  =…

Q: 1.) Which of the following is the correct equilibrium constant for the following KC1O4 (s) + HCI…

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Q: Ammonia, NH3, has a K of 1.8 x 10. If a solution is prepared in pure water containing an initial…

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Q: Formic acid is in the venom of some ant species. What is the pH of a 0.35 M solution of formic acid…

A: Given: Concentration of formic acid HA = 0.35 M And Ka of HA = 1.78 × 10-4  The dissociation…

Q: 1. What is the pH of a 0.000012 M KOH? 2. What is the Normality of a 1.0 M Ca(OH)2 solution

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Q: What is the pH of a solution that is 0.053 Min HA and also 0.063 Min NaA? (Ka = 4.1 × 10-6) 5.46 O…

A: Henderson Hasselbalch equation, pH = pKa + log [salt]/[acid]

Q: 5) Find the concentration of H3O*(aq) in a 1.75 M solution of lactic acid, HC3H5O3, at 25°C. Ka=…

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

Q: Phenol, C6H5OH, is a weak organic acid: C6H5OH(aq) = СâH5O¯(aq) + H+ (aq) Although somewhat toxic to…

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Q: Calculate the equilibrium molar concentration of a weak acid HA (154.5 g/mol) if 200 mg of that acid…

A: Weak acid - These are the acids that do not dissociate completely in water.  200mg of the weak acid…

Q: What is the pH of a 0.31 M solution of NH4CIO4? Kp of NH3 is 1.8 x 105. Round tenth (X.X).

A: given data from question- conc. = 0.31 M Kb = 1.8×10−5 pH = ?

Q: What is the pH of a solution of 0.12 M HOCl and 0.53 M NaOCl? Ka = 3.5x10-8

A: Given, Concentration of HOCl = [HOCl] = Concentration of NaOCl = [NaOCl] = Ka for HOCl = 3.5 × 10-8…

Q: The following questions concern the reaction HA(aq) + B(aq) ⇄ HB1+(aq) + A1–(aq). What can you say…

A: The given reaction is, HA(aq) + B(aq) ⇔ HB+(aq) + A-(aq)

Q: What is the pH of a solution which is 0.021 M in weak base and 0.039 M in the conjugate weak acid…

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Q: Benzoic acid (Ka = 6.6 X 10^-5) is present in many berries. Calculate the pH and % ionization of a…

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Q: Calculate the pH of a 42mL solution containing 3.7g of hydrofluoric acid.  Ka = 6.6 x 10-4

A: Given: Ka for hydrofluoric acid = 6.6 x 10-4 We have to calculate the pH of a 42 mL solution…

Q: Boric acid, BOH is used as a mild antiseptic. What is the pH of a 0.025 aqueous solution of boric…

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