H2Se is a diprotic acid. What is the pH of a 0.10 M H2Se solution ? Kal = 1.3 x 10-4 and Ka2 = 1.0 x 10-ii O 4.89 O 5.50 O 2.44 O 3.89

Q: The CO2 we breathe reacts with water in our blood to form the weak acid H2CO3. What mole ratio of…

A: Given:Ka of H2CO3 is 4.4 ✕ 10−8

Q: For H2CO3, Ka1 = 4.3 × 10–7, Ka2 = 4.7 × 10–11. What is the pH of a 0.36 M solution of carbonic…

A: We have to predict the pH of 0.36 M of carbonic acid .

Q: What is the pH of a 0.35 M solution of hydrofluoric acid with a Ka of 6.6 x 10-4? О 3.23 O 5.47 O…

A: Given: Concentration of HF = 0.35 M Ka of HF = 6.6x10-4

Q: Carbonic acid, H2CO3 is a diprotic acid with Ka1 = 4.3 x 10-7 and Ka2 = 5.6 x 10-11. What is the pH…

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Q: What is the pH of 1.5 x 10-4M solution of H2SO4?

A: pH of a solution determines the concentration of hydrogen ion present in the solution.

Q: (3 points) The pH of a sample of soap solution is 10.80. Calculate its molar hydronium…

A: 4th option is correct. Solution is given in step no 2:

Q: Strychnine is a weak base with a pkb of 5.74. A 150 ml sample of 0.076 M strychnine solution is…

A: Acid and base react with each other to form salt and water. The titration of weak base with acid…

Q: Determine the voltage of a galvanic cell composed of Pb(s) in a 1.00 M solution of Pb²+, and Ni(s)…

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Q: In ammonia stripping, hitrogen is removed from wastewater by volatilization of NH3. Would ammonia…

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Q: The concentration of HCl in stomach fluids is about 0.05 M. What is the pH of stomach fluids? The…

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Q: Calculate the pH of a .10 M solution of formic acid (HCHO2). The Ka of formic acid is 1.8 x 10-4.

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Q: ated with a 0.0985 M NAOH solution, v of the solution when 25.00 mL of NaO

A: We will calculate pH

Q: HZ is a weak acid.  An aqueous solution of HZ that is initially 0.020 M in HZ has a pH of 4.93.…

A: It is given that HZ is a weak acid, that means it does not completely ionize in a solution. HZ⇔H++Z-

Q: What is the pH of 1.0 M solution of H3AsO4? What is the arsenate ion concentration? Ka1=5.5x10-3,…

A: We have to predict the pH as well as the arsenate ion concentration.

Q: Let's assume that there is 400 μatm of pCO2 in our atmosphere. Assuming there is nothing else in the…

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Q: Explain what happens to the ratio of the two common forms of free residua! chlorine as the pH of…

A: Hypochlorous acid, HOCl(aq) is a weak acid with Ka = 2.5*10-8  Hypochlorite, ClO-(aq) is a conjugate…

Q: Calculate the pH of a 0.10 M hypochlorous acid solution. Ka = 3.5 x 10-8. HClO ⇋ H+ + ClO-

A: In this  solution source of H+ ions are two , weak acid and water. [H+] = Ka C + Kw = 3.5 × 10-8 ×…

Q: Calculate the pH of a 8.3 x 10-3-M solution of H2SO4 (K, = 1.2 x 10-2). %3D pH =

A: The given acid is H2SO4. It dissociates in solution to give two moles of H+ ions. The given…

Q: If the Ka for Al3+ is 1.00x10-5, then what is the pH of 0.250M Al(NO3)3?

A: Step 1: Step 2: Step 3: Step 4:

Q: 7. Carbonic acid (H2CO3) is a diprotic acid with Ka1 = 4.30 × 10–7 and   Ka2 = 5.60 × 10–11 What…

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Q: What is the pH of a 0.02 M solution of acetic acid (pKa = 4.84)?

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Q: What is the pH of a 0.20M solution of nitrous acid? Ka= 4.5x10^-4.

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Q: A diprotic acid (H₂A) has Kal = 4.54 x 10-7 and K₁2 = 5.59 x 10-11. What is the pH of a 0.396 M H₂A…

A: we have to calculate the pH of 0 .396 M diprotic weak acid

Q: "Vhen 4.73 g of the weak acid HC6H4CIO is dissolved in 800 mL of olution, he pH is 5.25. What is the…

A: Ka is acid dissociation constant.

Q: What is the pH of an aqueous 0.25 M NaBrO solution? Ka(HBrO) = 2.0 × 10-9

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Q: CH3NH2 is a weak base (Kb = 5.0 x 10-4 ) and so the salt CH3NH3NO3 acts as a weak acid. What is the…

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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: The pH of 0.075 M NH3 solution (Kb for NH3 = 1.75 × 10-5) O 4.94 O 12.03 O 1 1.05 O 8.02 O 2.09

A: Given,  Concentration of NH3 = [NH3] = 0.075 M  Base dissociation constant of NH3 = Kb = 1.75 x 10-5…

Q: M CH3COOH?

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Q: Calculate the pH and the pOH of these solutions:

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Q: Determine the Ph of a 0.020 M solution of oxalic acid, H2C2O4. What is the concentration of C2O4 ion…

A: Oxalic acid is diprotic acid and Ka1 = 6.5 * 10-2 and Ka2 = 6.1 * 10-5 [Oxalic acid] = 0.020 M…

Q: If pH = 5.7, what is [OH ] ?

A: Given a PH = 5.7  Calculate the [OH-] concentration.    calculate the [OH-] of first of calculate…

Q: The Kb of hydrazine is 9.1 x 10-7. If 3.12 x 10-3 mol of hydrazine is added to water to make up…

A: Hydrazine (N2H4) is a weak base Concentration of hydrazine is calculated as follows,

Q: What is the pH of a 0.01 M of the diprotic acid H2CO3 solution? Kai= 4.3 x 107; Ka2 = 4.8 x 10". %3D

A: We have given that  What is the pH of a 0.01M of the diprotic acid H2CO3 solution  Ka1 = 4.3 ×10-7…

Q: The Ka for HC2H3O2 is 1.8 x 10-5. What is the pH of a 0.02M solution of this weak acid?

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Q: The [H3O+] of Coca-Cola Classic ® is 3.2 x 10-3. What is its pH? Is it acidic or basic?

A: The pH of the given solution can be defined as the measure of its basicity or the acidity. It is…