What is the pH of a solution made by adding 0.65 m of acetic acid (H3CO2H) and 0.30 mol of sodium acetate (H3CO2Na) to enough water to make a 1.0 L solution? (K, = 1.8 x 105) %3D CH3CO2H (aq) + H2O (1) CH3CO2° (aq) + H3O* (aq) 4.74 O 5.08 04.40 8.92

Q: Four so V s of an acid dissolved in water are sketched below, as if under a microscope so powerful…

A: Answer: Solution1: 1 H3O+ formed from 4 moles of acid,…

Q: Calculate the pH and concentrations of CH3NH2 and CH3NH+3 in a 0.0341 M methylamine (CH3NH2)…

A: The given data contains, Concentration of methylamine = 0.0341 M. Kb of CH3NH2 is 4.47×10−4.

Q: What is the concentration of (OH] in this solution? Calculate your answer in M, then provide the…

A: Given data :-

Q: Sodium benzoate, NaC6H5COO (molar mass 144.1 g mol-1) is a common food preservative. The Ka of…

A: given - volume of NaC6H5COO = V1 = 25 ml volume of HCl = V2 = 16.67 ml conc. of HCl = C2 = 1.20…

Q: i. First, identify the acid. It's either H2PO41 or HPO42. The acid is because it has the most acidic…

A: Answer-1 H2PO4- H2PO4- because it has more number of acidic hydrogens, that's why it will lose it…

Q: The organic bases cocaine (pKb = 8.41) and codeine (pKb = 7.95) react with hydrochloric acid to form…

A: Given, Codaiene pKb=7.95 Cocaine , pKb=8.41

Q: Lactic acid, HC3HSO3, is a weak acid and found in sour milk. The conjugate base of Lactic acid is…

A: Calculation of Ka value of lactic acid:  The concentration of sodium lactate NaC3H5O3 = 0.089 M The…

Q: Chloroacetic acid, HC2H2ClO2, has a greater acid strength than acetic acid, because the…

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

Q: Vinegar consists of about 5% acetic acid and has a pH of 3.4.  The standard enthalpy change (at 25.0…

A: Since the dissociation enthalpy is-ve => the process is exothermic in nature. And since using Le…

Q: Caculate the pH of a solution prepared by mixing 84.7 mL of a 0.25 M aqueous aniline solution…

A:

Q: The chemical 5-amino-2,3-dihydro-1,4-phthalazinedione, better known as luminol, is used by forensic…

A: Molarity of a solution represents the concentration of a solute in the solution, which is expressed…

Q: The pH of a 1.2 M solution of acrylic acid (HC,H,CO,) is measured to be 2.09. Calculate the acid…

A: Since the acrylic acid, HC3H3CO2 is a weak monoprotic acid. hence it will dissociate partially as…

Q: pH of 2.91 is prepared by dissolving I g. of benzoic ater. What is K of benzoic acid?

A: According to the question, a solution with a pH of 2.91 is prepared by dissolving 1 g. of benzoic…

Q: What is the pH at 25 °C of water saturated with CO2 at apartial pressure of 1.10 atm? The Henry’s…

A: Concentration of CO2 can be calculated as follows: Where C is the concentration, KH  is the Henry’s…

Q: What volume of 0.25M NaOH solution is needed to react with 50mL of 0.125M H2SO4?

A: The reaction given is : 2 NaOH (aq) + H2SO4 (aq) → Na2SO4 (aq) + 2H2O The reaction tells that to…

Q: Q2} In the standardization of NaOH with 0.243 g of H,C,0,.2H,0 required 39.82 ml of 0.09M of the…

A: Use neutralisation equation  Mole× nfactor= M1V1(litre)

Q: 6. Nitric acid, HNO3, is a strong acid in aqueous solutions. It is sold commercially as a…

A: Density of a substance is calculated as shown below: Density = Mass / Volume

Q: How many milliliters of 0.800 M KOH should be added to 3.38 g of oxalic acid (C2O4H2) to give a pH…

A: Reaction: H2Ox + OH- —->HOx- + H2OHOx- + OH- ——->Ox- + H2O Equilibrium: H2Ox ——>HOx- + H…

Q: Penicillin (MM=356g/mol) an antibiotic often used to treat bacteria infections is a weak acid. Its…

A: Introduction: As per Bronsted-Lowry concept, an acid is a substance that can donate H+ ions and base…

Q: Water superheated under pressure to 200 °C and 750 atm has Kw = 1.5 × 10 11. What is [HO* and [OH ]…

A: The dissociation constant or ionization constant of water is an equilibrium constant and is…

Q: A 0.751 molar solution of formic acid in water is prepared by a scientist. The Ka of formic acid is…

A: The ionisation reaction of formic acid is given as HCOOH ----> HCOO- + H+  Hence Ka = [HCOO-] X…

Q: 2. Use the AG = AH – TAS relationship to justify why the solubility of NaOH(s) in water increases as…

A: The change Gibb’s free energy is a measure of direction and extent of a reaction. If ∆G value is…

Q: Select the chemical equation that represents the most important process impacting pH after…

A: Sr(C2H3O2)2 is a salt .Thus it dissolved in aqueous solution and ionizes .

Q: What is the pH of a solution that is 0.33 M CH3NH2 (methylamine) and 0.52 M CH3NH3Cl (methylammonium…

A: Since we have weak base CH3NH2 and its conjugate acid CH3NH3Cl in the solution. Hence the solution…

Q: Sodium stearate (C₁₇H₃₅COONa) is a major component of bar soap. The Kₐ of the stearic acid is…

A: The pH of 10.0 mL of a solution containing 0.42 g of sodium stearate has to be given, Given, The Kₐ…

Q: What is the concentration (in molarity) of H*, HCO3, and CO32, in a solution that is initially…

A:

Q: 5. Which of the following is a conjugate acid-base pair? H₂PO4 and HPO4² HCO3 and CO² NaOH and OH…

A:

Q: A solution is prepared at 25°C that is initially 0.081M in methylamine CH3NH2 , a weak base…

A:

Q: When chiorine (Cl2) gas is added to water during the disinfection of drinking water, it hydrolyzes…

A:

Q: A site in Pennsylvania receives a total annual deposition of 2.688 g/m² of sulfate from fertilizer…

A:

Q: Aniline (C6H5NH₂) is an organic base used in the manufacture of dyes. Calculate the pH and the…

A: Given,  The concentration of Aniline ( C6H5NH2 ) = 0.15 M.  The Kb of aniline = 4.3 × 10-10 M.  The…

Q: Convert 0.253 mol of ammonium (NH†) ions to equivalents. Eq 0.253 mol NH Convert 1.73 mol of sulfite…

A:

Q: The pH of a 1.00 M NaCH3COO (aq) solution is 9.38. a/ Determine the concentration of [OH] in the…

A:

Q: Determine the pH and the type of solution of a 0.227 g/L C5H5N solution at 25°C.  The Kb of C5H5N is…

A: At 25°C Concentration=0.227g/L Kb of C5H5N = 1.7 ×10^-9

Q: Which of the following is a representation of the ion product of water?…

A: The correction representation of the ion product of water has to be given. The given chemical…

Q: Carbonic acid (H2CO3) and bicarbonate ion (HC0;) are used as a buffer system to regulate the blood…

A: Given,  Ka of H2CO3 = 4.2 x 10-7  pH = 7.15

Q: In the following equation HNO2 (aq) + H2O (l) ↔ H3O+ (aq) + NO2-(aq), 0.37 M of nitrous acid was…

A:

Q: A 50.00-mL sample of a white dinner wine required 25.87 mL of 0.03291 M NaOH to achieve a…

A: 25.87 ml of 0.03291 M NaOH  is required Molar mass of H2C4H4O6 is 150.09 g/mol  0.03291 M  means…

Q: Sodium benzoate, NaC6H5COO (molar mass 144.1 g mol-1) is a common food preservative. The Ka of…

A: We have around us various solutions. It consists of the dissolution of several compounds. Both sides…

Q: The pH of a 1.50 M solution of anilinium chloride (C6H5NH3Cl) is _____.   Kb(C6H5NH2) = 4.3 × 10‒10…

A: Given,Kb(C6H5NH2) = 4.3 × 10‒10[C6H5NH3Cl] = 1.5 M

Q: The [H3O+] = 4.7 x 10-5 M for the HC7H5O2 and NaC7H5O2 solution. What is the pH of the solution?

A: Given H3O+ concentration of the solution, [H3O+] = 4.7*10-5 M

Q: For acetic acid, Ka=1.8 times 10^-5. Calculate the pH, [OH]-, and [HC2H3O2] in a 0.534 M solution of…

A:

Q: It was assumed: a) Before any acetic acid was added, essentially all the indicator was in the In-…

A: Henderson-Hasselbalch equation is shown in equation (1) where pH is for the solution, pKInH is the…

Q: In the following equation HNO2 (aq) + H2O (l) ↔ H3O+ (aq) + NO2-(aq), 0.37 M of nitrous acid was…

A:

Q: What is the pH of a grapefruit that contains 0.007 M citric acid solution (C;HgO;)? CH3O;(aq) +…

A:

Q: The pH of a 0.20 M solution of a primary amine (RNH2) is 8.42.  What is the pKb of the amine?

A: RNH2 + H2O <---> RNH3+   +    OH-   Given datas ;  pH = 8.42 pOH = 14 - pH = 14 - 8.42 = 5.58…

Q: Hydroxylamine, HONH2, readily forms salts such as hydroxylamine hydrochloride which are used as…

A: Since Kb of hydroxylamine is very less so it is assumed that reaction proceeds upto very less extent…

Q: What volume of 6 N H3PO4 must be taken and how much water must be added to prepare 100mL of 0.5 N…

A: Normality is  termed used to define the concentration of solute in a particular solution. The…

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.