Q: Arrange the following compounds in order of increasing acidity. HO. HO, HO. (A) (B) (C) OA < B < C…
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Q: The acid ionization constant for Pb(H20)62+(aq) is 6.3×10-7. Calculate the pH of a 0.0307 M solution…
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Q: What is the pH of a 0.710 M solution of C5H5NHB (Kb of C5H5N is 1.7 x 10-9)?
A: pH is used to determine the concentration of hydronium ion.
Q: What is the pH of [H30+]= 2.4 * 10 3 M?
A: Given :- [H3O+] = 2.4 x 10-3 M To calculate :- pH of solution pH = -log[H3O+]
Q: Calculate the pH of a 0.060 M solution of benzoic acid (C6H5CO2H) given that Ka = 6.3×10-5 for the…
A: Given: Molarity of benzoic acid is 0.060 M Ka is 6.3×10-5
Q: What is the pH of a 0.150 M solution of aniline (CeH;NH2, Kb = 4.3 × 10-1º)?
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Q: What is the pH of a 0.470 M solution of pyridine if Kb = 1.5x10^-9?
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Q: What is the pH of a 0.290 M solution of aniline (C6H5NH2, Kb = 4.3 x 10-10)?
A: In the given question we have to calculate the pH of Aniline. concentration of Aniline = 0.290 M Kb…
Q: What is the pH of a 0.050M solution of (CH3)3NHC1?
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Q: What is the pH of a solution containing both 0.10 M CH₃COOH and 0.20 M CH₃COONa? The Ka of CH₃COOH…
A: We have to predict the pH of the given solution.
Q: pH and pOH of [OH–] = 2.51×10-9 M
A: Relation between OH- and pOH is as follows: pOH= -logOH- and pH and pOH is as follows: pH + pOH = 14…
Q: Provide the products formed from the reaction below. Hl(aq) (one equivalent)
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Q: Calculate the pH of a 0.4 M pyridine solution, Kb=2.0x10-9
A: The value of Kb for the given weak base is = 2.0x10-9 The concentration of the base solution is =…
Q: culate the pH of an 3.09 x 103 mol/L solution of hydrochloric acid to two wer:
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Q: What is the pH of a 0.22M NaH2PO4 solution?
A: NaH2PO4 is a weak.Ka for NaH2PO4 is 6.23×10-8.Calculate concentration of H3O+:
Q: What is the pH of a 0.30 M pyridine solution that has a Kb = 1.9 x 10-9? The equation for the…
A: The relation between pH and pOH is given by, pH + pOH =14 Kb is the base dissociation constant. The…
Q: What the pH of a solution containing [H3O+] = 5.62 x 10-11 mol L-1 ?
A: Given that, for a solution [H3O+] = 5.62×10-11 mol/L. We have to calculate the pH of the solution.
Q: What is the pH of a 0.870 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)?
A: Answer:- This question is answered by using the simple concept of hydrolysis of the salt formed by…
Q: Balance half-rxns in base: red: 2e + H,0 + ClO → Cl- + 20H- 10 OH + S,0,2-→ 2SO,²- + 5H,0 + 8e ox:
A: Answer: B. 2 Balanced half reaction is, 4 ClO- + S2O32- + 2 OH- ----> 4 Cl-…
Q: What is the pH of a 0.36 M solution of HNO2 (Ka = 4.5 x 10-4)?
A:
Q: Write the formula of the conjugate acid of CH₃CO₂⁻
A: A chemical compound formed by the reception of a proton by a base is known as a conjugate acid. In…
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A: Since the reactant is acid and base Hence the products will be salt and water as acid and base react…
Q: Calculate the pH of 0.1 M from sodium acetate CH3CO2Na and hydrolysis percent ? if you know Ka =…
A: Reaction of sodium acetate in water can be written as, CH3COONa + H2O →CH3COOH +Na+ + OH-
Q: What is the pH of a 0.510 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)?
A: Given information: Concentration of solution = 0.510 M
Q: ∠AGH and ∠ DHE are
A: It seems that this is the angle of any geometrical figure .
Q: What is the pH of a 0.650 M solution of C5H;NHB (Kb of CsH;N is 1.7 × 10-º)?
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Q: 4. H2SO4 + HI → I2 + SO2 (Acidic Solution)
A: Balancing of reaction can be done by: 1. Oxidation number method 2. Ion- electron method (mainly…
Q: Calculate the pH of 3.5M citric acid solution at 25⁰C when the Ka is 7.1 x 10-4.
A: Give information: Concentration of solution = 3.5 M Ka is 7.1 x 10-4
Q: what is the formula of the conjugate acid of SO32-
A: Given species: SO32- We have to write the formula of the conjugate acid of SO32-.
Q: Estimate the pH and percentage of dissociation of 0.010 M CH3CH(OH)COOH(aq) (lactic acid). pKa of…
A: For a weak acid: HA = A- + H+…
Q: Calculate the pH of 0.045 C5H5N (Pyridine) K_b= 1.7 x 10^-9 for C5H5N
A: We will ionize pyridine , then draw ICE table to calculate pH of solution.
Q: What is the pH of a 0.430 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)?
A: pH= 1/2(pKb-logc) Here given Kb=1.7×10-9,hence pKb=-logKb=-log(1.7×10-9) given c=0.430 M
Q: Eメーツ colculate the pH of o-2M a monium. hy droxide solution if pKb=4:7· ニ
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Q: What is the pH of a 0.660 M solution of C3H;NHB (Kb of C5H5N is 1.7 x 10-9)?
A: Given information, [C5H5NHBr] = 0.660 M Kb of C5H5N = 1.7*10-9 Calculate: pH = ?
Q: What is the pH of a 0.380 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)?
A:
Q: Estimate the pH of 0.0025 M NH(CH3)3Cl(aq) at 25°C. It is given that trimethylamine ((CH3)3N) has a…
A: Given : Concentration of salt = 0.0025M pKb = 4.19
Q: What is the pH of a 0.64 M solution of NH3 (Kb = 1.2 × 10-5)?
A:
Q: Calculate [H+], PH and POH respectively of CH3COOH solution has concentration 1.0 x 10-3 M and the…
A: Here i have calculated all the things
Q: The molecule lactic acid (HC3H5O3) IS CONSIDERED A BRONSTED-LOWRY ACID. Write a chemical equation…
A: According to Bronsted-Lowry concept, an acid is a substance that can donate a proton i.e. H+ to the…
Q: What are the equilibrium concentrations of HF(aq), F (aq) ions, and H3O+ (aq) in a 0.10 mol L-¹…
A: Given :
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: What is the pH of a 0.1055 M CH3COOH solution (K, = 1.75 x 10-5)? %3D
A: Answer: ICE table for the dissociation of weak monoprotic acid is shown below:
Q: Complete and balance the following acid-base equilibrium. C5H5NH3 (aq) + HS-(aq)
A: The chemical equation in which the number of elements or atoms on the reactant side are equal to the…
Q: What is the pH for 1.4 M CH3COONa aqueous solution (CH3COOH, Ka=1.8×10-5)?
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Q: Which of the following can complete the reaction below? O Br2/FeBr3 O NBS/(PhCO2)2 O H2SO4 in boling…
A: Benzene is an electron-rich compound as it contains 6 pi-electrons. When reagent Br2/FeBr3 is used,…
Q: Give the formula of the conjugate acide of H2O ?
A: Conjugate acid, according to Bronsted-Lowry-acid-base theory, is chemical compound that is formed…
Q: (е) Ва(NO,),(аq) + NaOH(aq)-
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Q: Calculate the pH of 0.0154 M NaN3. (Ka of HN3 = 1.9 x 10-5)
A: NaN3 is a salt of weak acid (HN3) and strong base (NaOH). We know, the pH of salt, which is formed…
Q: The acid ionization constant for Sc(H2O)63+ (aq) is 5.0×10-5 . Calculate the pH of a 0.0043 M…
A: Given , acid ionisation constant , Ka= 5.0×10-5 concentration of the Sc(NO3)3= 0.0043 M
Q: Which is the stronger acid, H2SO4 or H2SeO4? Why?
A:
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- 1) Complete the following reactions and identify the acid, base, conjugate acid and conjugate base. CH;CH,NH2 (aq) + H2O (1) a) CH;COOH (aq) + H,O (I) b) c) Identify the conjugate base and conjugate acid of each of the following. Conjugate Base Molecule Conjugate Acid HCO3 H20 HSO4- H2PO4Predict the stronger acid in each pair: (a) HCl or HF;(b) H3PO4 or H3AsO4; (c) HBrO3 or HBrO2; (d) H2C2O4 orHC2O4-; (e) benzoic acid (C6H5COOH) or phenol (C6H5OH).Benzoic acid (C6H5COOH) and aniline (C6H5NH2) areboth derivatives of benzene. Benzoic acid is an acid withKa = 6.3 x10-5 and aniline is a base with Ka = 4.3 x10-10. (a) What are the conjugate base of benzoic acid andthe conjugate acid of aniline? (b) Anilinium chloride(C6H5NH3Cl) is a strong electrolyte that dissociates intoanilinium ions (C6H5NH3+) and chloride ions. Which willbe more acidic, a 0.10 M solution of benzoic acid or a 0.10M solution of anilinium chloride? (c) What is the value ofthe equilibrium constant for the following equilibrium?C6H5COOH(aq) + C6H5NH2(aq) ⇌ C6H5COO-(aq) + C6H5NH3+(aq)
- In the following reaction in aqueous solution, the acid reactant is and its conjugate base is CH;COOH(aq) + H2O * CH3CO0 (aq) + H30 (aq) A CH3COOH; CH3C00 B CH3COOH; NH4 NH3; CH3CO0 D) NH3; NH4" E CH3COOH; H30*Calculating percent dissociation of a weak acid Calculate the percent dissociation of butanoic acid (C,H,CO,H) in a 1.4 mM aqueous solution of the stuff. You may find some useful data in the ALEKS Data resource. Round your answer to 2 significant digits. x10Predict the stronger acid in each pair: (a) HNO3 or HNO2;(b) H2S or H2O; (c) H2SO4 or H2SeO4; (d) CH3COOH or CCl3COOH.
- which has the lowest ph at equilibrium? cyanic acid, formic acid, lactic acid, propionic acid, or benzoic acid?The following is a Bronsted acid-base reaction:HClO4 + NH3 ---> ClO4- + NH4+Which of the following behaves as a base in the reaction?Acid Conjugate base Acid H2CO3 HCO3 Base Strength Strength Increases Increases H2PO4 HPO,- (1) The acid with the smallest value of Ka is (A) H2CO3 (B) H2PO4 (1) The acid with the largest value of pKa is (A) H2CO3 (B) H2PO4
- Phenylacetic acid (C₂H₂CH₂COOH) has a K₂ of 4.9 x a 10-5. Calculate for the pH, pOH, [H+] and [OH-] of a solution of phenylacetic acid that is 0.186 M.How many acidic hydrogen atoms and how many nonacidic hydrogen atoms are present in each of the following molecules? (а) НС-НСI,02 (dichloroacetic acid) acidic nonacidic (b) H2C4H4O4 (succinic acid) acidic nonacidic (с) НС2Н3О2 (аcetic acid) acidic nonacidic (d) HCO2H (formic acid) acidic nonacidicBenozic acid (C6H5COOH) has a pKa of 4.20. What is the ratio of the acid to its conjugate acid at a pH of 2.20 and what is the formula of the conjugate acid?