Q: What is the pH of a solution with [H3O+]=2.42 x 10-4?
A: pH of any solution is given by pH = -log[H3O+] where [H3O+]= concentration of H3O+ ions
Q: A pH of 4 is times more acidic than a pH of 7. Aside from hydrogen and helium, a stable atom has…
A: Matching be done as follows: A. Ionic bonds D. Polar Covalent bonds B.Covalent bonds O.…
Q: Calculate the pH of 0.050 M NaClO if Ka for HClO is 3.5E-8.
A: Given Values acid dissociation constant ka = 3.5×10-8 Base dissociation constant Kb = 10-14…
Q: What is the molar concentration of a NH4NO3 solution that has a pH of 6.18? (pKa = 9.25).
A:
Q: What is the pH of a 0.35 M solution of hydrofluoric acid with a Ka of 6.6 x 10-4? О 3.23 O 5.47 O…
A: Given: Concentration of HF = 0.35 M Ka of HF = 6.6x10-4
Q: Explain the attached
A: Hydroiodic acid is a strong acid. Potassium hypochlorite (KClO) is a conjugate base of weak acid…
Q: Calculate the pH of a 0.525M solution of hypochlorous acid, HCIO. %3D
A:
Q: Why alkalis like sodium hydroxide and potassium hydroxide should not be leftexposed to air?
A: Alkalis like sodium hydroxide and potassium hydroxide should not be exposed to air because both of…
Q: Rank the following hydroxides in order of increasing aqueous basicity: Al(OH)3, B(OH)3, In(OH)3.
A:
Q: equilibrium reactions and equations
A: Precipitation reactions occur when cations and anions in aqueous solution combine to form an…
Q: Explain why the Hydrated salts of beryllium are acidic whereas hydrated salts of magnesium are…
A: But the hydrated beryllium ions (called tetraaquaberyllium ions) are quite strongly acidic. The…
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: Calculate the pH of a 0.125 M solution of KN3 at 25°C. Ka for HN3 is 2.5 x 10*
A: KN3 is a salt of weak acid HN3 and strong base KOH This salt undergo a anionic salt hydrolysis…
Q: Calculate the concentration of Ni(H₂O)62+ ions at equilibrium in the solution formed. 2.18 x 10 10 M
A:
Q: quilibrium equation for HClO₂
A: We are given a weak acid HClO₂.
Q: Calculate the pH of a solution that is 0.0400 M in a) H3PO4. b) NaH2PO4. c) Na3PO4.
A: a) Given, [H3PO4] = 0.04 M H3PO4 is a weak acid. The dissociation of H3PO4 can be written as :
Q: Calculate the pH of a solution containing 0.3 M HCOOH and 0.1 M HCOO (pKa of HCOOH = 3.76)
A: Concentration of HCOOH (Acid) = 0.3 M Concentration of HCOO- (conjugate base of acid) = 0.1 M pKa…
Q: Calculate the pH of a 6.9 × 10¬³-M solution of H2SO4 ( -3
A: The pH is used to determine the acidity or alkalinity of a solution. Molarity of a solution is used…
Q: 8. What are the [H3O+] and [OH–] of Diet Coke that has a pH of 3.17?
A:
Q: Calculate the pH of 0.0037M solution of H2CO, given that K,1- 4.3 x 10 and Kz = 5.6 x 1011
A:
Q: Oxides can react with water to form acids or bases. Identify each of the following oxides as acidic…
A: Oxides of compounf of elements reacts with water and produces either acidic compounds or basic…
Q: (c) Carbon, silicon, germanium, tin and lead are elements of Group IV ( 14) of the Periodic Table,…
A: 1. Carbon forms large network covalent structures in its two allotropes: diamond and graphite.…
Q: A glass of milk has a pH of about 6 and a cup of tea has a pH of 5. Which one has more hydronium…
A: GivenpH of milk = 6pH of tea = 5
Q: Write the basic equilibrium equation for PO4º 3-
A: The balanced chemical equation for the reaction contains equal number of atoms on both the sides of…
Q: The calcium supplements taken by many women are composed primarily of powedered calcium carbonate,…
A: Some compounds or base are helpful in neutralizing excess HCl being produced in stomach. These…
Q: Question attached
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: An Alkali Earth Metal (A) and a halide (B) form the salt AB. Write the chemical equation for AB…
A: If an alkali earth metal A and a halide B Then both A and B can formed a Salt AB2 Alkali earth…
Q: what is the pH of an aqueous solution of 25.0 mM HClO2 ? given pKa= 1.96
A:
Q: An organic acid has pK = 3.74. What is its K, value?
A: Ka is acid dissociation constant and it is related to pKa as negative logarithm of it which may be…
Q: Transition metals can act as Lewis acids. Explain.
A: Transition metals are elements that are present in middle of the periodic table. These transition…
Q: To oxidize the iron in 1.00 gram of FeSO4·(NH4)2SO4·6 H2O requires 5.00 mL of HNO3. (Fe 2++ NO3― +…
A: The concentration of the solution provides information about the quantity of the substance present…
Q: Write the basic equilibrium equation for NH₃ Write the acidic equilibrium equation for HClO₂.
A: Equilibrium constant is the ratio of product of concentration of products raised to their…
Q: Find the pH of a 0.145 M HCIO2(aq) solution. For HCIO2, Ka = 0.011. O 0.84 O 1.46 O 1.34 O 1.40
A: Given: Concentration of HClO2 = 0.145 M And Ka of HClO2 = 0.011
Q: What is the process of oxidation and use gallium to illustrate it?
A: defination of oxidation- oxidation reactions is defined as, 1. Oxidation was defined as the loss of…
Q: What is the pH of a 0.40 M solution of K₂SO3?
A:
Q: Which of the following oxides does not produce an acidic solution when dissolved in water? A) SO3 B)…
A:
Q: Lithium reacts violently with water to form aquoeous lithium hydroxide and hydrogen gas. Do you…
A: When lithium undergoes reaction with water then it forms lithium hydroxide and hydrogen gas The…
Q: What is the pH of a 0.270 M solution of H2SO4? Ka2 = 1.20×10–2
A: Here given, Ka2 = 1.20 × 10-2 Concentration of H2SO4 = 0.270 M
Q: An organic acid has pka = 2.87. What is its Ką value?
A:
Q: Calculate the sodium acetate/acetic acid ratio to prepare a buffered solution with a pH of 5.06.…
A:
Q: Because the oxide ion is basic, metal oxides react readily with acids.(a) Write the net ionic…
A: Net ionic equation is the the one that involves only those ion which are actually causing the…
Q: A solution of potassium chloride is neutral whereas a solution of bismuth (III) chloride is quite…
A: Potassium chloride (KCl) is the salt of a strong acid, HCl and strong base, KOH. Potassium ions (K+)…
Q: 1. Which antacid was more effective on a per gram basis? Explain. Show your calculations.
A: An antacid is a substance which neutralizes stomach acidity and is used to relieve heartburn,…
Q: Calculate the pH of a 4.23×10-2 M solution of hypochlorous acid at 25°C. Ka for hypochlorous acid is…
A: We have to calculate the pH of a 4.23×10-2 M solution of hypochlorous acid ( HOCl) at 25°C. Ka for…
Q: A solution of 1.5 M chlorous acid has a pH of 0.91. What is the percent ionization of the chlorous…
A: Given, A solution of 1.5 M chlorous acid has a pH of 0.91. KA = 1.1 x 10−2.
Q: (ii) Explain why, in the synthesis of nitric acid, the reaction of nitrogen monoxide with dioxygen…
A: Due to the following reason Nitric acid is prepared at high pressure and low temperature.
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- Why is (CH3)3Cl considered to be a Lewis Acid?3. A 0.0560 g quantity of acetic acid is dissolved in enough water to make 50.0 mL of solution. Calculate the concentrations of H;O*, CH;COO and CH;COOH at equilibrium. What is the pH of the solution? (Ka = 1.8x10) CH;COOH(aq) = CH;COO (aq) + H;O* (aq) a) Calculate the initial concentration of CH;COOH. (C:12; H:1; 0:16) b) Calculate the concentration of CH;CoO (aq) and H;O* (aq) at equilibrium. c) Calculate pH of the solution.Write a net ionic equation for the equilibrium that causes the solution of KHTar in water to be slightly acidic
- (a) Write a balanced equation representing the reaction of the acid, H2PO4- with the base, water. (b) Write the expression for Ka of H2PO4- in terms of concentrations of relevant species.6. Acids and bases are defined by their donation or acceptance of a proton according to the (a) Arrhenius model. (b) Bronsted-Lowry model. (c) Lewis model.Calculate K₂ or K from experimental data. The pH of a 0.14-M solution of chlorous acid (HCIO₂) is measured to be 1.49. Use this information to determine a value of Ka for chlorous acid. HCIO₂(aq) + H₂O(l)=CIO₂ (aq) + H₂O˚(aq) K₂ =
- 6. Identify the Lewis acid and Lewis base in the reaction: Co³* (aq) + 6NH;(aq) = Co(NH;);*(aq)Calculate the pH of a dilute solution that contains a molar ratio of potassium acetate to acetic acid (pKa = 4.76) of (a) 2:1; (b) 1:3; (c) 5:1; (d) 1:1; (e) 1:10Based on the Lewis structures of the reactants and product of the following equation, identify the Lewis acid and the Lewis base in it: CO, + OH → HCO, =c=0: + :0-H H-0- O: O Lewis acid: CO,; Lewis base: HCO, O Lewis acid: OH; Lewis base: CO, O Lewis acid: CO; Lewis base: OH-
- 6. (i) Define pH in words. The strong acid HClahas a pH value of 1, use the following equation for a strong acid: H+, + and convert the following expression to deduce the hydrogen ion concentration: pH = -log10 [H*] (ii) Use the above expression to deduce the pH of HCL (ag) given the concentration of the acid to be 4.5 mol/dm3 pH =Phenylamine is an aromatic amine that is used in the manufacture of dyes. When absorbed through the skin itcauses the Fe+2 in hemoglobin to become oxidized into Fe+3, resulting in the formation of methemoglobin whichcannot bind to or transport oxygen. Phenylamine is soluble in water and acts as a weak base.C6H5NH2 (aq) + H2O (ℓ) ⇋ C6H5NH3+ (aq) + OH- (aq)a. When you measure the concentrations of the ionized substances you find them to be:[C6H5NH2] = 0.234 mol/L [C6H5NH3+] = 2.8 x 10-5 mol/L [OH-]= 2.8 x 10-5 mol/LIf the Kb is 4.27 x 10-10, is the reaction at equilibrium? If not, which direction does it need to move (rightor left) to reach equilibrium? Explain. b. At equilibrium the concentrations of the ionized substances are:[C6H5NH2] = 0.0537 mol/L [C6H5NH3+] = 4.79 x 10-6 mol/L [OH-]= 4.79 x 10-6 mol/LIf this reaction is taking place in a 2.0L container, and 1.5 moles of phenylamine were added to thereaction, what will the new concentrations of the three ionic species be when…2.2 6. (i) Define pH in words. The strong acid HClaq has a pH value of 1, use the following equation for a strong acid: Haq Claq + HClaq And convert the following expression to deduce the hydrogen ion concentration: pH = -log10 [H+] (ii) Use the above expression to deduce the pH of HCl (aq) given the concentration of the acid to be 4.5 mol/dm³ pH =