What is the pH of a 0.680 M solution of Ca(NO2)2 (Ka of HNO, is 4.5 x 104)?

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A:

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

Q: Calculate the pH of a 0.043 M NaF solution. (K, for HF = 7.1 x 104.)

A: Given -> Molarity of NaF = 0.043 M Ka ( HF) = 7.1 × 10^ -4

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

Q: What is the pH of a 0.136 M aqueous solution of potassium fluoride, KF? (Ka for HF = 7.2×10-4)

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Q: 8 g of potassium chloride is dissolved in a quart of distilled water. Calculate the pH value of the…

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Q: Calculate the pH of 1M solution of acedic acid (pKa = 4.76)?

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Q: What is the pH of a 0.620 M solution of Ca(NO2)2 (Ka of HNO2 is 4.5 x 10 4)?

A:

Q: What is the pH of a 0.0490 M solution of methylamine (CH₃NH₂, Kb = 4.4 × 10⁻⁴)?

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Q: What is the pH of a 0.540 M solution of Ca(NO,), (Ka of HNO, is 4.5 x 10*)?

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Q: Bacteria in the human mouth release enzymes to break up sucrose, and then polymerize glucose to form…

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A: For HNO2 , pKa = -logKa                           = -log (4.5 x 10-4 )                           =…

Q: calculate the ph of a 0.600 solution of Na2S

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A: HCN is a weak acid hence it can dissociate partially Ka value of HCN=3.5×10^-11

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A:

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Q: A 1.2 · 102 M aqueous solution of Ca(OH)2 at 25.0 °C has a pH of, O 12.38 O 12.08 O 1.62 O 2.4 · 102…

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Q: What is the pH of a 0.0930 M solution of methylamine (CH₃NH₂, Kb = 4.4 × 10⁻⁴)?

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Q: What is the pH of a solution with a fluoride concentration of 0.20 M ? The Kb for F– is 1.47×10-11 .

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Q: What is the pH of a 0.35 M solution of hydrofluoric acid with a K, of 6.6 x 104? 3.23 O 1.82 O 5.47…

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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: Calculate the molar concentration of OH- in a 0.724 M solution of hypobromite ion 1BrO-; Kb = 4.0 *…

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Q: Calculate the pH of a 0.525M solution of hypochlorous acid, HClO.

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Q: Explain protonation of HNO3 ?

A: The protonation of HNO3 has to be explained below.

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Q: What is the pH of a 0.0500 M solution of methylamine (CH₃NH₂, Kb = 4.4 × 10⁻⁴)?

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Q: A solution of 1.5 M chlorous acid has a pH of 0.91.  What is the percent ionization of the chlorous…

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Q: What is the pH of a 0.680 M solution of Ca(NO2)2 (Ka of HNO2 is 4.5 x 104)?

A: Given, The pKa value of HNO2=4.5×10-4 Molarity of Ca(NO2)2= 0.680M.