5. 1 Complete the following reaction scheme and indicate the acid, base, conjugate acid and conjugate base: :NH3 H-O-H :0 5.2 Explain how each, the Lowry-Bronsted and the Lewis definition of an acid and base can be used to identify the acid and base in one or more of the examples from 5.1.
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A: We are having two acids benzoic acid and formic acid we have to choose the strongest acid .
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Q: I purple color (pHf = 9) 11 mL = acid? (b) Calculate the indica
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A: Amantadine is a compound which has an adamantane group attached to an amino group. It is one of the…
Q: What is the pH of a 0.095 M C6H5CO2H M solution if the K, of C6 10-5? Your Answer: Answer
A: Given, Concentration (C) = 0.0950 M Ka = 6.5 × 10-5 pKa = -log(6.5×10-5 ) = 4.19
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Q: EDTA is a hexaprotic acid - it has 6 acidic hydrogens. EDTA has four carboxylic acid groups and two…
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A: Naproxen is present in Aleve tablet as sodium salt. Mass of Aleve tablet taken is 350 mg. Mass of…
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Q: The polyprotic acid, H3X, has acid dissociation constants Ka1 = 1.3×10-1, Ka2 = 6.5×10-4, and Ka3 =…
A: For the acid, H3X H3X + H2O → H2X- + H3O+ and for this reaction Ka1=[H3O+] [H2X-][H3X] H2X- + H2O →…
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A: Formula of compound is C4H10O
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A: The pKb of C6H5NH2 is 4.87. The pKa of C6H5NH3+ is calculated using equation (1).
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A: This is the concept of converting terms
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A: The number of moles of FeI3 is = 0.200 mol The volume of solution is = 725 mL The concentration (M)…
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A: We are given: Ka for carbonic acid = 4.7x10-11
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A: Given, pH = 2.51
Q: 14. Using the tiny pK, table below, answer these questions for each acid-base question below. |Add…
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Q: HO Q17. When you obtained. You w 10 rated an unknown weak acid solution with NaOH, the curve below s…
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Q: What is the pH of a 0.311 M C6H5CO2H M solution if the Ka of C,H5CO2H is 6.5 x 10-5? Your Answer:…
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Q: Given for nos. 1-2: The pH of a swimming pool was measured at 6.10. 1. What is its pOH? Answer:
A: Given: pH = 6.10
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A: SOLUTION: Step 1: The general equation of dissociation of diprotic acid is as follows:
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Q: Preview File Edit View Go Tools Window Help O Sun Aug 8 8:25 PM A bartleby.com A, Theodore E. Brown,…
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- The value of Ka for nitrous acid (HNO2) at 25∘C is 4.5×10-4 What is the value of ΔG when [H+]= 5.7×10−2 M , [NO2-]= 6.6×10−4 M , and [HNO2]= 0.20 M? Express your answer using one significant figure.Hexanoic acid was added to an immiscible biphasic solvent system, water and CCl4 at 20.0OC and the equilibrium concentrations of hexanoic acid were determined to be 3.66 g/L in H2O and 67.0 g/L in CCl4. Caluclate the distrubution coeffiecent (D2) of hexanoic acid in water with respect to CCl4.In the spectrofluorometric analysis of quinine, which of the following statements/phrases can be considered a factor level? A. concentration of 2ppm of iodide B. concentration of quenchers C. use of quenchers D. use of iodide
- Acetic acid (CH3COOH, abbrev HA) is a very common weak acid with pKa = 4.75 (at 25oC and low ionic strength) A] Write down the dissociation equation of the weak acid HA in aqueous solution, derive the respective formulae for the dissociation constant Ka and pKa. B] Calculate pH of the diluted solution of acetic acid with concentration, c = 0.05 mol/dm3 C] What is the approximate pH of the aqueous acetate buffer solution composed of dissolved mixture of acetic acid (HA) and sodium acetate (NaA) in the same respective concentrations? What is the working pH range of acetate buffers? D] How can you prepare exactly 1 dm3 of acetate buffer solution with required pH 5.0 and the total concentration [HA + NaA], c = 0.01 mol/dm3 if the stock solution of acetic acid (HA) with concentration, cHA = 0.1 mol/dm3, anhydrous sodium acetate (NaA, MT = 82.03 g/mol) and purified water are available? E] Acetate buffer solution may be also prepared by the partial neutralization of HA with NaOH: 20 cm3 of…Carbonic anhydrase is one of the fastest enzymes known. If 10 µg of this enzyme catalyzes the conversion of 0.30 g of CO2 to bicarbonate in 1 minute at 37˚C. What is the Kcat value for this enzyme in min -1?If an Ecell of 0.495V was noted when your cell was set-up. What is thesolution pH?
- Reacting GeO2 with H2O forms the tetraprotic (four H+ ions) acid, H4GeO4. On a piece of paper, write down the chemical equations for the four acid dissociation equilibria. Match each chemical species below with its correct (hypothetical) pKa value. Group of answer choices H4GeO4 [ Choose ] 4.56 12.70 10.24 6.91 H3GeO4 - [ Choose ] 4.56 12.70 10.24 6.91 H2GeO4 2- [ Choose ] 4.56 12.70 10.24 6.91 HGeO4 3- [ Choose ] 4.56 12.70 10.24 6.91A chemist is asked to separate the components of a mixture composed of 1.00 g each of the two compounds shown below. The chemist has access to the following bases: 10% aqueous NaHCO3 and 10% aqueous NaOH. Which base and how many mLs of the base (i.e., the minimum amount) are needed to completely separate these compounds from each other by liquid-liquid extraction?2 What can be described if a sample analyzed by AAS shows the following results: