a) What is the equilibrium constant for HF(aq) ⇌ H+ (aq) + F– (aq)?, b) is it Homogenous or Heterogenous?

Q: Calculate the energy released for the consumption of 350mL of 6.5 M LIOH in the following…

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Q: Determine the equilibrium constant given: NH4NO3(s)  N2O(g) + 2 H2O(aq)

A: For the given equilibrium reaction: NH4NO3(s) ⇌ N2O(g) + 2 H2O(l) Here decomposition of ammonium…

Q: Suppose that, instead of using NaOH, a base such as Ba(OH)2 had been used. What changes in the…

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Q: 1. Calculate the value of K for the reaction

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Q: 1) Calculate the pH of a solution prepared by dissolving 2.20 g of sodium acetate, CHCOONA, in 78.0…

A: Given: mass of sodium acetate=2.20 gvolume of acetic acid=78.0 mLmolarity=0.10 MKa=1.75×10-5 To…

Q: A. Calculate the pOH of each of the following solutions: 1) 0.5 M of Ca(OH), 2) 0.0235 Mof HCI 3)…

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Q: Determine the equilibrium constant for the following reaction, CH3COOH(aq) +F(aq) CH3COO (aq)+…

A: weak acid are those acid which does not dissociate completely to furnish H+ ion Given dissociation…

Q: СН.ОН (аq) + CN (ag) — HCN(aq) + CH,О (aq)

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Q: Fill in the left side of this equilibrium constant equation for the reaction of nitrous acid (HNO,)…

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Q: 2.00 L of sulfuric acid, H2 SO4 (ag), contains 0.70 mol of acid. Calculate the pH and the pOH of the…

A: Given, moles of H2SO4 = 0.70 mol Volume of the solution = 2.00 L pH of the solution = ? pOH of the…

Q: 12. What is the pH of a 1.00 molar solution of NaNO2(aq)? The K, for nitrous acid is 7.0 x 104. a.…

A: NaNO2 is a strong electrolyte that dissociates completely in water. Its ionic component NO2- gets…

Q: what is the pH of a 2.32 molar solution of NH4Cl(aq)? The Kb for NH3 is 1.2 x10^-5.

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Q: 5) What is the pH of a solution containing 0.22: base, B, with a K, of 3.8 X 10? в (аq) + H,0 (1) ВН…

A: Concentration of weak base(C)= 0.225 M Ka = 3.80 ×10--7 pKa = -log(Ka)   = -log(3.80×10-7) = 6.42

Q: The pH of the fluid in the human stomach following a meal is generally around 1.5. What is the…

A: Given,  pH = 1.5 To find: hydrogen ion concentration, [H+]?

Q: A monoprotic weak acid, HA, dissociates in water according to the reaction HA(aq) + H,O(1) =H,0*(aq)…

A: Given equilibrium Concentration of [HA] = 0.290 M [H3O+]    = 4 × 10-4 M [A-]         = 4.00 × 10-4…

Q: Below is the reaction for the formation of acid rain due to high concentration of atmospheric…

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Q: The pOH of an aqueous solution of 0.435 M nitrous acid is

A: Formula used :-  pOH = -log[OH]-

Q: The pOH of an aqueous solution of 0.354 M acetylsalicylic acid (aspirin), HC9H7O4, is

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Q: The pOH of an aqueous solution of 0.428 M acetylsalicylic acid (aspirin), HC9H7O4, is

A: Aspirin is a monoprotic weak acid with formula HC9H7O4. Hence it will dissociate partially as per…

Q: The pH of an aqueous solution of 3.14×10-2 M ammonium chloride, NH4Cl (aq), is

A: NH4Cl is salt of weak base and strong acid

Q: 4) The concentration of the hydroxide ion, OH-(aq), in an aqueous solution is 2.5 x 10–3 mol/L. What…

A: 4). Given,  Concentration of hydroxide ion= 2.5×10^-3 mol/L

Q: Discuss the justification for this statement: “Although one does not normally regard NH+4 as an…

A: An acid is the species which gives proton when present in an aqueous solution. The tendency of an…

Q: In a solution of 0.015 mol L-1 HBr(aq) at 25 °C (a) What are the concentrations of the hydronium,…

A: pH stands for the potential of hydrogen ion concentration or power of hydrogen. The pH of an aqueous…

Q: 8. (a) HA(aq) is a weak acid with a dissociation constant, Ka, of 8.8 x 10−12. What is the pH of a…

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Q: Determine the K of a weak base if a 0.33 M solution of the base has a pH of 12.18 at 25°C. x 10

A: Given that: concentration of weak base = 0.33 M pH = 12.18 To find: Kb?

Q: The equilibrium constant for the dissociation of HCl in water is estimated to be 1X10+6 HCl(ag). 2…

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Q: A student added 1.78g of Ca(OH)2(9) to 0.250 L of 0.200 molL"' HNO3(aq)- The mixture was carefully…

A: We have to calculate the pH of solution.

Q: What is the maximum [CO1 that can exist in a 1.8 x 10 M AGNOS solution?

A: The Ag+ ions coming from both AgNO3 and Ag2CO3 are to be considered for the calculation. As shown…

Q: The value of K, for acetylsalicylic acid (aspirin) is 3.00x104. What is the value of Kp, for its…

A: Given: Ka value of acetylsalicylic acid = 3.00×10-4

Q: The pOH of 0.0200 M solution of Sr(OH)2 is

A: pOH is defined as the negative logarithm to the base 10 of OH- ion Concentration  pOH = -log10[OH-]…

Q: The balanced molecular equation for complete neutralization of H 2SO 4 by KOH in aqueous solution is

A: When an acid reacts with a base it produces salt and water. Such reactions are known as acid-base…

Q: ulate the pH of a solution prepared by dissolving 1.90 g of sodium acetate, CH,COONA, in 85.0 ml of…

A: Given, Mass of Sodium Acetate = 1.90 g Ka of CH3COOH is 1.75×10-5.

Q: 11. For the weak base piperidine, C;H;0NH, K = 1.30 x 10°. What is the equilibrium concentration of…

A: An ICE table is constructed to determine the equilibrium concentration of all the species present in…

Q: The pH value of the 5L aqueous solution prepared with 6.4 grams of a precious strong acid is 2. So…

A: Given, volume of acid solution = 5L Mass of acid = 6.4 g PH = 2  Molar mass of acid = ?

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

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Q: The value of K, for hypochlorous acid , HC1O , is 3.50x108. Write the equation for the reaction that…

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

A: Step 1                            B(OH)3 + H2O ⇌ BOH 4- + H+At t = 0                 CAt Equilibrium…

Q: The pOH of an aqueous solution of 0.591 M phenol (a weak acid), C,H5OH, is

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Q: What is the pH of a 0.060 mol L-1 Ba(OH)2(aq) solution?

A: Given,  0.060 mol L-1 or 0.060 M Ba(OH)2(aq)

Q: Which of the following equations represents the acid equilibrium associated with Ka, for H,PO,? A)…

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Q: The pH of an aqueous solution of 0.144 M ammonium perchlorate, NH4ClO4 (aq), is . This solution is

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Q: Write the equilibrium for the autoionization of sulfuric acids (H 2 SO 4 ) and write the expression…

A: Equilibrium expression for autoionisation of sulphuric acid

Q: The pH of an aqueous solution of acetic acid (CH3COOH) is 2.0.  What is the initial molar…

A: The relationship between pH and H+ ion concentration is: pH=-logH+ Given: pH of an aqueous solution…

Q: The pH of an aqueous solution of formic acid (HCOOH) is 3.318. What is the initial molar…

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Q: The ionization constant Ka, for HCN(aq) is 4.3 x 10^-10. What is the pH of a 0.22 molar solution of…

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Q: Calculate the pOH value of a 0.0150 M solution of pyridine, C5H5N.

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Q: The acid dissociation K, of acetic acid (HCH,Co, is 1.8 x 10 a Calculate the pH of a 2.6 x 10 M…

A: Acetic acid is a weak acid. hence it will dissociate partially as per the reaction  CH3COOH ---->…

Q: The value of K, for acetylsalicylic acid (aspirin) is 3.00x104. What is the value of Kp, for its…

A: Ans. 3.33*10-11

Q: What are the pH and pOH of 0.075 M NaOH(aq)?

A: Since NaOH is a strong base Hence it will dissociate completely in solution  Since the dissociation…