Calculate the pH of the following solutions at 298K: (a) potassium hydroxide 2.4 x 104 mol dm3 (b) nitric acid 0.0078 mol dm3 5cm of 1.0 mol dm3 H2SO4 that is diluted to 250cm3 with distilled water. Assume the sulfuric acid Is completely dissociated. (c) Kwr298) = 1 x 10:14 mol? dm

Q: Calculate the pH of Ba(OH)2 solution whose 250 cm3 of a 0.01moldm-3 solution is diluted to 500 cm3…

A: The pH of a solution can be calculated as follows: pH= 14-pOH where pOH = -logOH- To calculate…

Q: Calculate the pH of 2.50M acetic acid, HC2H3O2(aq). (Ka = 1.8 x 10-5)

A: The ICE table are utilized to figure out the hydrogen ion's concentration. With the help of hydrogen…

Q: The pH of black tea is 5.5, while the pH of Coke is 2.5. Which of the following correctly describes…

A: To know the concentration of H+ ion , pH scale is introduced  Negative logaritham of H+ ion…

Q: What is the pH of a 0.078 mol dm–3 solution of a diprotic acid which is completely dissociated?…

A: Diprotic acids are those which has two protons to donate.  Concentration of diprotic acid[H2A] =…

Q: What is the pH of a 0.0470 M solution of methylamine (CH&NH2, Kb = 4.4 x 10 4)?

A: Calculate the hydroxide ion concentration released by methylamine. OH- = KbCOH- = 4.4 × 10-4 ×0.047…

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

A: Solving only first question in accordance with guidelines. We will first draw ICE table and then…

Q: What is the pH of a 0.21 M solution of methylamine (CH3NH2, Kb = 4.4 x 10–4) at 25 degrees C?

A:

Q: TRIS (also known during medical use as THAM) is an organic compound used extensively in biochemistry…

A: "pH" tends to exhibit the actual potential of H+ ions in specified solution. The solution exhibiting…

Q: whats the kb if the pH of a 1.2 M aq soln of base A at 298 K is 12.32?

A:

Q: The acid dissociation constant K, of alloxanic acid (HC,H,N,0,) is 2.24 x 1 Calculate the pH of a…

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Q: Give the pH  of 0.005 M C6H5O- (aq) at 298 K of the Ka for C6H5OH at the given T is 1.0 x 10-10

A: Given data :  1.Concentration of C6H5O- = C = 0.005M  2. Ka = 1.0 × 10-10

Q: The acid dissociation constant K, of hydrocyanic acid (HCN) iS 6.2 x 10 10 Calculate the pH of a…

A:

Q: Given that the acid dissociation constant for benzoic acid (HOBz) is Ka= 6.5 x 10^−5. Calculate the…

A: Recall the dissociation of benzoic acid      HOBzaq+H2Ol→OBz-aq+H3O+aq  Acid dissociation…

Q: Calculate the pH of a solution of 0.1421 M KCH2ClCO2 if Ka = 1.400e-3 for CH2ClCO2H?

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Q: The acid dissociation constant K, of acetic acid (HCH,Co,) is 1.8 x 10. D. Calculate the pH of a…

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Q: The acid-dissociation constants of phosphoric acid (H3PO4) at 25 degrees Celsius are Ka1 = 7.510-3,…

A: Given data contains, Molarity of aqueous phosphoric acid solution is 2.5M.…

Q: Construct the expression for Ka for the weak acid, CH;COOH. CH;COOH(aq) + H,0(1) H,0*(aq) +…

A: Ka for general acid dissociation reaction is,

Q: What the pH of 0.10 M solution of methylamine (Kb for CH3NH2 is 4.4 x 10*)?

A: A numerical problem based on pH of the weak base, which is to be accomplished.

Q: The acid dissociation constant K, of acetic acid (HCH3CO,) is 1.8 x 10. Calculate the pH of a 0.52M…

A: Given that : The acid dissociation Ka of acetic acid = 1.8 x 10-5 We have to calculate the pH of a…

Q: [b] Derive the following question ;- pH = pK, + log [ Cs/C.1

A:

Q: Calculate the pH of a solution that is prepared by dissolving 0.470 mol of hydrocyanic acid (HCN, K,…

A: Given- HCN= 0.470 mole HC9H7O4 = 0.164 mole Volume of solution = 3.00 L Ka of HCN = 6.17 x 10-`10 Ka…

Q: The acid dissociation constant K, of alloxanic acid (HC,H,N,0,) is 2.24 x 10 '. 4 Calculate the pH…

A: Alloxanic acid is organic weak acid and it dissociates partially into [Alloxanate] and [H3O+].

Q: Calculate the pH of a solution prepared by dissolving 0.150 mol of acetic acid and 0.300 mol of…

A:

Q: Determine the base ionization constant (in x 10-5) of a 0.0925 g sample of a weak base (molar mass =…

A: Given :- Mass of weak base = 0.0925 g Molar mass of weak base = 17.03 g/mol Volume of water = 100 mL…

Q: LAI 298 15 K, the acid dissociation constant, Aas for propanoic acid, CH3CH,COOH, is 1.35 x 10 Write…

A: Propanoic acid is a weak acid, it does not dissociate completely.

Q: The acid dissociation constant K, of alloxanic acid (HC,H;N,0,) is 2.24 x 10. Calculate the pH of a…

A:

Q: The molar concentration of H3O+ ions in the following solutions was measured at 25 °C. Calculate the…

A: pH is used to measure acidity or basicity of an aqueous solution. pH of any solution can be…

Q: The pH of a 1.00 M Solution -1 of Nitrous acid HNO2 (pKb =10.6) is

A: HNO2 is a weak acid. pH of 1M solution need to be found out here. Dissociation of this weak acid in…

Q: What is the pH of 0.273 M trimethylammonium iodide, (CH3)3NHI? The Kb of trimethylamine, (CH3)3N, is…

A: Kb = 6.3 x 10-5

Q: Acidic water can be treated with basic substances to increase the pH, although such a procedure is…

A: Given Volume of lake = 4x109 L The pH of lake water = 5 -log [H+] = 5 [H+] = 10-5 Therefore the…

Q: Calculate the pH for a 0.1 M solution of C6H5COOH (K, = 6.46 x 105) and the pH for a 0.2 M %3D…

A:

Q: What is the degree of ionization (i) for H₂SO₄(aq)?

A: H2SO4 is a strong acid.

Q: Given that methylamine, CH3NH2, has a Kb of 4.4 x 10-4, what is the pH of a 0.20 M aqueous solution…

A: For weak base CH3NH2 : [OH-] = Kb×C          = 4.4×10-4×0.20           = 9.38 x 10-3 M pOH = - log…

Q: The acid dissociation constant K, of alloxanic acid (HC,H,N,0,) is 2.24 × 10 '. Calculate the pH of…

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

Q: The base protonation constant K, of allantoin (C,H,N;0;NH,) is 9.12 x 10-°. Calculate the pH of a…

A:

Q: What is the pH of a 1.63 M solution of XOH, a weak monobasic compound (Kb = 1.7 x 10^-9)?

A: Given data in above Concentration of XOH = 1.63 M  Kb = 1.7 ×10-9

Q: Calculate pH and pOH of the: 0.5M aniline (C6H5NH2) solution (Kb= 3.8 x 10-10)

A: Given,  [C6H5NH2] = 0.5 M  Base dissociation constant of C6H5NH2 = 3.8 x 10-10 pH and pOH = ?  Base…

Q: At a temperature of 298K the value of Ka for ethanoic acid is 1.70 * 10Smoldm3. c. Calculate the pH…

A: The given data contains, Ka of ethanoic acid =1.70×10-5moldm-3Concentration of ethanoic acid =0.350…

Q: What is Kb for the conjugate base of HCN (Ka = 4.9'x 10 1º)?

A:

Q: Nitrous acid, HNO2 (aq) has a Ka value of 4.0 x 10-4. What is the pH and POH of a 0.0500 M solution…

A: The question is based on the concept of equilibrium. we have to determine PH and pOH   of weak acid…

Q: The hydroxide ion concentration, [OH*], of an aqueous solution of 0.591 M trimethylamine (a weak…

A: Trimethylamine dissolved in H2O and since it is a weak base so it dissociates partially as follows

Q: What is the pH of a 0.120 M solution of aniline (C6H5NH2, Kb = 4.3 x 1010)?

A: Given: Concentration of aniline = 0.120 M Kb of aniline = 4.3×10-10

Q: The first acid ionization constant of the oxoacid H;PO, is 8 x 10-2. What molecular structure do you…

A: H3PO2 is a monoprotic acid in aque.

Q: Calculate the isoionic pH of 6.022 x 1021 molecules of thereonine in 500 mL of solution. (For…

A:

Q: Construct the expression for Ka for the weak acid, CH,COOH. CH,COOH(aq) + H,O(1) = H,0*(aq) +…

A: Expression  of Ka The equilibrium constant expression is the ratio of the concentrations of a…

Q: prove that for the weak acid CH3COOH and its conjugate base CH3COO- then (Ka x Kp = Kw ).

A:

Q: Q2 :- Calculate the value of the ionization constant, K, for aniline if the pK, is 10.5?

A:

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.