A triprotic acid (H3A) has the following pKa values: • pKa1 = 3.0 • pKa2 7.0 •pKa3 = 11.0 %3D Using these values, a solution of H2A will be Select 1 V and a solution of HA2 will be I Select]

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Q: Calculate the pH of a 0.150M solution of aniline, C₆H₅NH₂ ka=4.0E-10

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Q: tatements IS corre All hydroxides of G2A and G3A are strong bases The pH of a solution contains 0.1…

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Q: What concentration of oxalic acid, HOOCCOOH(H2A), will have a pH of 2.50 (pKa1 = 1.25; pKa2 = 4.14)?

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Q: A solution has 19.2 mmol L-1 total acetate (pKa = 4.8). If the pH of the solution is 3.9 at…

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Q: What fraction of HA dissociated? If the total concentration of acid (= [HA] + [A'] is 0.060 M and…

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Q: What is the mole fraction of HA at pH 3.00 given H₂A = H+ + HA Ka1 = 1.0e-3 HA H+ + A² Ka2 = 1.0e-9

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Q: Consider a polyprotic acid H3A with pKa1=4.60, pKa2=7.50, and pKa3=9.60, what is the pH of a 0.150 M…

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Q: A diprotic acid (H₂A) has Kal = 4.38 x 10-7 and K₁2 = 5.81 x 10-¹¹. What is the pH of a 0.348 M H₂A…

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Q: Pthalic acid is a diprotic acid: H2A FW = 166.135 pka1 = 2.950. pka2 = 5.408 A solution with 0.50 g…

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Q: 1. Refer to the table below for some bases and their respective base dissociation constants (Kb).…

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Q: Malic acid is a weak diprotic organic acid with Ka1 = 4.0 × 10-4 and Ka2 = 9.0 × 10-5.a Letting the…

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Q: Given:  A diprotic acid (H2A) has pKa1 = 2.8 and pKa2 = 8.4. Question:  What is the equilibrium…

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Q: 5. What is the approximate ratio of [A]/[HA]ions in a 0.10 M aqueous solution of H2A? Assume that…

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Q: HO -OH Oxalic Acid, H₂C₂O₁ PK₁₁ = 1.27 pka2 = 4.266 H₂Ox→ HOX → Ox ²- H₂A → HA → A²- pH = ? Adding…

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Q: Consider H3A a triprotic acid with Ka1 = 3.0 x 103, Ka2 = 5.6 x 10-8 and K33 = 8.1 x 1013, %3D %3D…

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