Q: What is the pH of a 0.250 M solution of aniline (C₆H₅NH₂, Kb = 4.3 × 10⁻¹⁰)?
A: Given data,Molarity of aniline=0.250MKb=4.3×10-10
Q: Write down the reaction between [Cr(C2O4)2(H2O)2] and dilute potassium hydroxide.
A: The given compound must be [Cr(C2O4)2(H2O)2]- instead of [Cr(C2O4)2(H2O)2]. [Cr(C2O4)2(H2O)2]-…
Q: What is the pH of a 0.0470 M solution of methylamine (CH&NH2, Kb = 4.4 x 10 4)?
A: Calculate the hydroxide ion concentration released by methylamine. OH- = KbCOH- = 4.4 × 10-4 ×0.047…
Q: 4. Calculate the ionic strength of a solution that is: (a) 0.040 M FeSO4. (b) 0.010 M in FeCl3 and…
A: Ionic strength - it is the sum of molar concentration of each ion multiply by charge square. Can be…
Q: 2. Hypochlerous acid (HOCI) is a weak acid that forms when chlorine dissolves in water, and itself…
A: a. The central atom is O. It has two sigma bonds and two Lone Pair. That's why it has 4 coordination…
Q: What is the pH of a 0.260 M solution of aniline (C6HSNH2, Kb = 4.3 x 10-10)?
A: Given, MOlarity of aniline = 0.260M
Q: What is the pH of a 0.0730 M solution of methylamine (CH₃NH₂, Kb = 4.4 × 10⁻⁴)?
A: Given :- concentration of methylamine solution = 0.0730 M Kb for methylamine = 4.4 × 10-4 To…
Q: What is the pH of a 0.40 M solution of sodium nitrate, NaNO2 ? The pKa for nitrous acid (HNO2) is…
A: Base dissociation constant Kb is utilized to determine the basic nature of a solution. It refers to…
Q: calculate the equivalent weight pf KMnO4 in acidic medium.
A: KMnO4 is a strong oxidizing agent. The oxidation state of Mn in KMnO4 is +7. In acidic medium, Mn+7…
Q: What is the pH of a 0.0650 M solution of methylamine (CH₃NH₂, Kb = 4.4 × 10⁻⁴)?
A:
Q: What is the pH of (i) 1.0 X 103 M HBr and (ii) 1.0 X 102 M KOH?
A: We know that, pH and pOH can be expressed as the negative logarithm of hydrogen ion and hydroxide…
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: whats the kb if the pH of a 1.2 M aq soln of base A at 298 K is 12.32?
A:
Q: What is the percent strength (w/w) of a solution made by dissolving 62.5 g of potassium chloride in…
A: Given , Mass of potassium chloride kcl = 62.5 g Volume of water = 187.5 mL
Q: 2. Describe the alkaline error in the measurement of pH. Under what circumstances is this error…
A: The answer to the following question is-
Q: The activity coefficient of Ni2+ ion (a Ni2+ =0.6 nm) in a solution that has an ionic strength of…
A:
Q: Calculate the ionic strength of 0.2 M CaCl2
A:
Q: The acid ionization constant for Ga(H20)63+(aq) is 2.5x10-3. Calculate the pH of a 0.1120 M solution…
A:
Q: What is the maximum [CO1 that can exist in a 1.8 x 10 M AGNOS solution?
A: The Ag+ ions coming from both AgNO3 and Ag2CO3 are to be considered for the calculation. As shown…
Q: What is the pH of a 0.570 M solution of Ca(NO2)2 (Ka of HNO2 is 4.5 x 10-4)?
A:
Q: Calculate the pH of a 0.75 mol L─3 solution of ethanoic acid at 298 K. Given Ka = 1.7 × 10─5
A: Welcome to bartleby ! We have to calculate pH .
Q: The balanced molecular equation for complete neutralization of H 2SO 4 by KOH in aqueous solution is
A: When an acid reacts with a base it produces salt and water. Such reactions are known as acid-base…
Q: Calculate the Delta G value from the following data and
A:
Q: What is the concentration of sodium ions in 0.300 M NaNO₃?
A: Given Information: Concentration of NaNO3 =0.300 M To find: Concentration of sodium (Na+) ions
Q: By what factor does [H+] change for a pH change of (a) 2.00units, (b) 0.50 units?
A:
Q: What is the pH and fraction of association of a 0.100 M solution of a weak base with Kb = 1.00 X…
A:
Q: 3) what do you mean by ion exchange capacity? Provide the functional groups present for weakly…
A: Ion-exchange chromatography is a technique which separates ion and polar molecules based on their…
Q: A. Calculate the PH of the (0. 1 N) NasPOa in 250 ml B. What is the Normality of a sulfuric acid…
A: (A) pH of 0.1N Na3PO4 solution: C = 0.1/3 = 0.033M PO43- ions are undergoing hydrolysis and pH is…
Q: The acid constants of the polyprotic acid НЗASO4 are К_a1 %3D 5х10 ^-3, К_а2 - 8х10^-8, К_а3 %3D…
A:
Q: Express in percentage the fluoride concentration in drinking water given in 0.6 ppm.
A: Fluoride concentration = 0.6 ppm We need to convert this from ppm to percentage.
Q: What is the ionic strength of 0.50 M Al2(SO4)3 + 0.10 M Na2SO4?
A: A chemical compound consists of two or more different elements which are bonded with each other…
Q: What is the value of AGrxn for the reaction: 20 3A+4B ? Given that 3/2 A+2B AG° rxn 170.5 kJ/mol
A: The free energy change of a reaction is the free energy difference between products and reactants.
Q: Determine the base ionization constant (in x 10-5) of a 0.0925 g sample of a weak base (molar mass =…
A: Given :- Mass of weak base = 0.0925 g Molar mass of weak base = 17.03 g/mol Volume of water = 100 mL…
Q: A 0.345 M of generic weak acid was prepared and has a Kb = 3.91 x 10-10. What is the pH of the weak…
A: Answer: On adding in water partial dissociation of weak acid takes place and an equilibrium is…
Q: What is the pH of a 0.300 M solution of aniline (C₆H₅NH₂, Kb = 4.3 × 10⁻¹⁰)?
A: CH3NH2 is a weak base that partially dissociates in water. C6H5NH2(aq) ↔ OH-(aq) + C6H5NH3+(aq)…
Q: What is the ionic strength of a solution that is 0.032 M in ammonium chromate?
A:
Q: Calculate the pH for a 4.3 × 10−8 M HCl solution with an ionic strength of m = 0.1. yH+ = 0.83, yOH−…
A: We have to Calculate the pH for a 4.3 × 10−8 M HCl solution
Q: What is the pH of 0.273 M trimethylammonium iodide, (CH3)3NHI? The Kb of trimethylamine, (CH3)3N, is…
A: Kb = 6.3 x 10-5
Q: (a) What is the ionic strength of 0.068 M solution of K2HPO4? (b) What is the ionic strength of…
A: (a) For the dissociation of K2HPO4 in the aqueous medium, the chemical equation can be written as-…
Q: The activity coefficient of Ni2+ ion (a Ni2+ =0.6 nm) in a solution that has an ionic strength of…
A:
Q: What is the pH of a 1.63 M solution of XOH, a weak monobasic compound (Kb = 1.7 x 10^-9)?
A: Given data in above Concentration of XOH = 1.63 M Kb = 1.7 ×10-9
Q: The hydroxide ion concentration, [OH*], of an aqueous solution of 0.591 M trimethylamine (a weak…
A: Trimethylamine dissolved in H2O and since it is a weak base so it dissociates partially as follows
Q: Which of the following is the best way to test the acidity or alkalinity of an unknown liquid sample…
A: a species which liberates hydrogen ion on dissolution it is said to be acid a species which accept…
Q: What is the pH of a 0.120 M solution of aniline (C6H5NH2, Kb = 4.3 x 1010)?
A: Given: Concentration of aniline = 0.120 M Kb of aniline = 4.3×10-10
Q: For a solution in which ionic strength, u = 5.0 x T
A:
Q: The activity coefficient of Ni²+ ion (a Ni2* =0.6 nm) in a solution that has an ionic strength of…
A:
Q: 8.) Calculate the ionic strength of 0.040 M NazSO4.
A:
Q: a. What is the value of k in s?
A: We have to find rate constant, decay rate and time needed to do experiment Given half life = 16…
Q: Calculate the molar ionic strength of a 0.5800 M copper (III) sulfide solution.
A: Copper(III) sulfide is Cu2S3 . The molar ionic strength is calculated as follows: I=12∑i=1i=ncizi2…
What is the ionic strength of 0.10 M ZnSO4?
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