The following observations are made about a diprotic acidH2A: (i) A 0.10 M solution of H2A has pH = 3.30. (ii) A 0.10 Msolution of the salt NaHA is acidic. Which of the followingcould be the value of pKa2 for H2A: (i) 3.22, (ii) 5.30,(iii) 7.47, or (iv) 9.82?

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Q: 4. Calculate the pH of a salt solution of NH,CI with molar concentration 0.1 M (Kh = 5.71 x 101")

A: Given, The molarity of NH4Cl = 0.1M            Kh = 5.71 × 10-11

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Q: Write the proton transfer equilibria for the following acids in aqueous solution and identify the…

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Q: Calculate the pH at 25°C of a 0.45 M aqueous solution of oxalic acid (H2C2O4). (Ka1 and Ka2 for…

A: We have to calculate the pH value.

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Q: Calculate the pKa of the weak acid HA, given that a solution of 0.65 M HA and 0.85 M NaA has a pH of…

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A: Answer is explained below.

Q: 1,2-diaminoethane, H2N-CH2-CH2-NH2, is used extensively in the synthesis of compounds containing…

A: The dissociation reaction is given as, H2N-CH2-CH2-NH2 + H2O →H2N-CH2-CH2-NH3+ + OH-

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A: Welcome to bartleby ! We have to calculate pH .

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Q: What volume of 0.1543 M NaOH must be added to 25.00 mL of 0.2405 M HCOOH in order to prepare a…

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Q: For water having a total alkalinity of 1.00x10^-3 mol/L and a pH of 10.34 what is the percentage…

A: Given: Total alkalinity of water = 1.00 × 10-3 mol/L pH = 10.34

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

A: H2SO4 is a strong acid.

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: If an acidic solution is more concentrated, does it mean that it produces more H+ ions than if the…

A: Acidic solutions are those which have a pH of less than 7.

Q: For H2CO3, Ka1 = 4.3 x 10 7, Ka2 = 4.7 × 10 11. What is the pH of a 0.11 M solution of carbonic…

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Q: List and discuss the basicity of the following compounds.

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Q: Deionized water at 10c  in which Kw = 2.89e-15 , pkw= 14.539  what is the pH , poH , [OH], [H3O+]?

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Q: Explain how ammonia can act as both an acid and a base. Which of these roles does it commonly fill…

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A: Alkalis are the bases that can be dissolved in water

Q: how change in pH changes the colour of K2Cr2O7?

A: