Oxide ion, like sulfide ion, is a strong base. Write an equation for the dissolution of CaO in water and give its equilibrium constant expression. Write the corresponding equation for the dissolution of CaO in an aqueous solution of a strong acid, and relate its equilibrium constant tothe previous one.

Q: pKa НА 5.34 HB 3.22 HA + B = A + HB A) There should be more products at equilibrium because HA is a…

A: Applying concept of Pka and acid strength relationship.

Q: The CO2 we breathe reacts with water in our blood to form the weak acid H2CO3. What mole ratio of…

A: Given:Ka of H2CO3 is 4.4 ✕ 10−8

Q: How the aqueous chemistry of amphoteric hydroxides involves precipitation, complex-ion formation,…

A: The aqueous solution is the one in which the solvent is water. Different chemical reactions can be…

Q: At 22 °C, an excess amount of a generic metal hydroxide, M(OH),, is mixed with pure water. The…

A: In order to find Ksp of the salt we first write down the given data: pH= 10.34. The given salt is…

Q: An analytical chemist is titrating 161.1 ml. of a 0.6100M solution of formic acid (H,CO,) with a…

A: Given data,Molarity of HCOOH=0.61MVolume of HCOOH=161.1mL=0.1611LMolarity of NaOH=0.46MVolume of…

Q: Which of the following equal molar salt solutions is expected to have the highest pH? All of these…

A: Given question related to identifying the salt solution which has the highest pH among the given…

Q: 11.An acid-base equilibrium system is created by dissolving 0.15 mol HNO2 in water and diluting the…

A: pH change before addition:

Q: You are given two glasses of water that have different temperatures. The temperature of the first…

A: two glasses of water having different temperatures. The temperature of 1st glass is 298 K, while the…

Q: The acid-dissociation constant for hypochlorous acid (HClO) is 3.0 × 10-8. Calculate the…

A: Consider the given information is as follows; Acid-dissociation constant Ka = 3.0×10-8Initial…

Q: KHP is an ionic compound composed of a potassium cation K+ and a hydrogen phthalate anion HP– . HP–…

A: a.) KHP is a weak acid , it have Carboxylic acid group which can donate it's proton .  b.)…

Q: Baking powder contains sodium bicarbonate plus an acidic salt like sodium acid tartrate or calcium…

A: Please find your solution below : Baking powder is a mixture of sodium bicarbonate (NaHCO3), other…

Q: We have seen an introductory definition of an acid: An acid is a compound that reacts with water and…

A: Various definitions of acids and bases have been proposed from time to time. According to classical…

Q: 1) Calculate the pH of a solution prepared by dissolving 1.00 g of sodium acetate, CH3COONa, in 50.0…

A: Given, concentration of acetic acid : 0.15 M Mass of sodium acetate : 1.00 gm Volume of solution :…

Q: The K, of phosphoric acid is 6.92 x 103. Calculate the pH of a buffer solution that is 0.44 M…

A:

Q: The nitrite ion is the conjugate base of the weak acid nitrous acid. The value of K, for NO,, is…

A:

Q: Consider the titration of 25.0 mL of 0.125 M acetic acid (CH3COOH, pKa = 4.75) with 0.107 M NaOH.…

A: Given,  Molarity of acetic acid ( CH3COOH) = 0.125 M.  Volume of acetic acid ( CH3COOH) = 25.0 mL.…

Q: Propionic acid, HC3H5O2, has Ka= 1.34 x 10–5. (a) What is the molar concentration of H3O+ in 0.15 M…

A: HC3H5O2 is a weak acid and dissociates in aqueous solution as: HC3H5O2+H2O↔C3H5O2-+H3O+

Q: Consider the following acidic equilibrium: H₂CO₃(aq) + H₂O(l) ⇌ HCO₃⁻(aq) + H₃O⁺(aq). If you add…

A: According to Le-Chatelier's principle, the changes made in the system is counteracted by shifting…

Q: Formic acid, HCOOH, ionizes in water according to the following equation. The equilibrium constant…

A: :- This question is answered by using the simple concept of ionisation of weak acid and then using…

Q: Discuss the justification for this statement: “Although one does not normally regard NH+4 as an…

A: An acid is the species which gives proton when present in an aqueous solution. The tendency of an…

Q: Calculate the pH of a solution prepared by dissolving 1.75 g of sodium acetate, CH3COON,, in 53.5 mL…

A: Given,  Mass of CH3COONa = 1.75 g  Molarity of CH3COOH = 0.15 M  Volume of CH3COOH = 53.5 mL  Acid…

Q: Iron in drinking water is removed by precipitation of the Fe3+ ion by reaction with NaOH to produce…

A: Iron reacts with NaOH to produce iron (III) hydroxide. Here iron is in the form of Fe3+ion. The…

Q: Each of these three molecules contains an OH group. When dissolved in water one solution has a pH7.…

A:

Q: Write the chemical reaction for the ammonium ion in water, whose equilibrium constant is Ka, Include…

A: Here, for reaction in between ammonium ion and water, some factors need to be addressed so that…

Q: 11.An acid-base equilibrium system is created by dissolving 0.20mol CH3COOH in water and diluting…

A:

Q: There is very little change to the pH of the solution. If anything the pH of the solution

A: If we add ammonium chloride in an ammonia solution.  Then it acts as a basic buffer. Buffer is the…

Q: Hypochlorous acid, HOCl, is a weak acid having a pKa = 7.46. (a) Show the balanced chemical equation…

A: Given that :  For HOCl,  pKa = 7.46  We need to find pKb and pH of solution when [OCl-] = 0.050 M

Q: For the acid HA, the acid dissociation constant, K, is 1.1 × 105. After 48 mL of 0.9 M N2OH is added…

A: pH is used to determine the concentration of hydronium ion.

Q: Boric acid, H3BO3, is not a Brønsted-Lowry acid but a Lewis acid.(a) Write an equation for its…

A: lewis acid -A Lewis acid is any species (molecule or ion that can accept a pair of electron and…

Q: The principal anion and cation of Lake Huron, one of the Great Lakes in North America, are,…

A: Millimole per liter (mmol/L)- This unit is used to determine amount of substance concentration.…

Q: Calculate K₂ or K from experimental data. The pH of a 0.14-M solution of chlorous acid (HCIO₂) is…

A: Since you have posted multiple questions ,we will provide the solution only to the first question as…

Q: Calculate the pH of a solution by dissolving 1.90 g of sodium acetate, CH3COONa, in 71.0 mL of 0.15…

A: Given,the mass of sodium acetate ( CH3COONa ) = 1.90 gmolarity of acetic acid ( CH3COOH ) = 0.15…

Q: Identify each of the following oxides as an acid or baseanhydride. Write the chemical formula and…

A: The chemical formula and the name of the acid or base formed upon reaction with water has to be…

Q: A solution is prepared by dissolving ammonium nitrate in water. Is this solution acidic or basic?…

A: Reaction of ammonium nitrate with water is given below,               In the above equation, formed…

Q: Which one of the following pairs of acids and conjugate bases is incorrectly labeled or incorrectly…

A: A conjugate base is simply the substance that contains one less H atom and one more negative charge…

Q: Given 0.01 M solutions of each of the following acids, which solution would have the lowest pH? O…

A: The objective of the question is to determine the solution with the lowest pH.

Q: One of the buffer systems the human body has to regulate pH is based on the phosphate anion. If…

A: A buffer works best at the pH near to the pKa value of the involved acid. First calculate the pKa…

Q: You are on one of Saturn's many moons and discover a substance, Y2O that undergoes autoionization…

A: Applying similar concept of kw and pH as like water because it also involves in auto ionisation like…

Q: Acidic water can be treated with basic substances to increase the pH, although such a procedure is…

A: Given Volume of lake = 4x109 L The pH of lake water = 5 -log [H+] = 5 [H+] = 10-5 Therefore the…

Q: A 1.00 L solution contains 0.383 M HA (K₂ = 4.52 10-4) and 0.790 M NaA. What is the pH of this…

A: A solution which resist the change in PH  is called a buffer solution. A solution is combination of…

Q: The chemical formulae of some acids are listed in the first column of the table below, and in the…

A: The concept used over here is-Weak acid HA does not dissociate entirely, so it remains in the water.…

Q: 650.0 mL of HBr gas at 21.0 °C and 1025 mm Hg is absorbed completely into a solution that was…

A: Given, Volume = 650 ml, temperature = 21℃, pressure = 1025 mm Hg = 1.35 atm, mass of water(solvent)…