Calculate the value of the equilibrium constant for the below reaction: HF (aq) + CN (aq) = HCN (aq) + F (aq) O 1.2 x 106 O 6.2 x 1010 O 1.6 x 105 O 7.2 x 1014 4.5 x 1013 1.4 x 10 11

Q: What is the pH of a 0.1 M of the diprotic acid H2CO3 solution? Kai= 4.3 x 10/; Ko2 = 4.8 x 10-1. %3D…

A: [H2CO3] = 0.1 M

Q: Cresol red has two transition ranges listed. What color would you expect it to be at the following…

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Q: Determine the equilibrium constant given: NH4NO3(s)  N2O(g) + 2 H2O(aq)

A: For the given equilibrium reaction: NH4NO3(s) ⇌ N2O(g) + 2 H2O(l) Here decomposition of ammonium…

Q: 1. Calculate the value of K for the reaction

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Q: Determine the concentration of H+H+ ions in an aqueous solution where [OH−]=1.45×10−4…

A: Given: [OH−]=1.45×10-4 M [H+] =?

Q: What is the pH of a 0.012 M Ca(OH)2 solution? O 12.38 O 1.62 O 1.92 12.08

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Q: What is the concentration of Cl- ions in a solution of 0.30 M FeCl3 (aq) ?

A: The reaction can be represented as given below.

Q: What is the pOH of a 0.030 M Sr(OH)2 solution? a. 12.78 b. 12.48 O C. 1.52 O d. 1.22

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Q: Question attached

A: There are two types of bases/acids. One is strong base/acid which is completely dissociable in into…

Q: Given the following equilibrium reaction of NH3: NH3ag) + H2O) Determine the pH in a 1.25 M NH3…

A: When we dissolve NH3 in water, we get:- NH3 + H2O ⇔ NH4+ + -OH Given concentration = 1.25M Ka = 5.6…

Q: The Ka value for hypochlorous acid (HClO) is 3x10-8 at 25 ºC. Which of the following is the…

A: The given acid, HClO, is a weak acid and thus, it does not completely dissociate into the solution.…

Q: give the direction of the reaction if K>> 1.

A: This question is from chemical equilibrium highligthing relationship between equilibrium constant kc…

Q: What is the concentration of sulfite ion in a 0.100 M sulfurous acid solution? O 1X 10 19 M O 1.0X…

A: Sulfurous acid has chemical formula H2SO3, is a diprotic acid with Ka1 = 1.3 x 10-2 and Ka2 = 6.3 x…

Q: Calculate the concentration of CO²- In an aqueous solution of 0.255 M carbonic acid, H₂CO₂ (aq).…

A: Carbonic acid, H2CO3 is a diprotic acid with Ka1 = 4.47*10-7 and Ka2 = 4.68*10-11  Given the…

Q: Calculate the fluoride ion concentration and pH of a solution that is 0.20 M in HF and 0.10 M in…

A: Since HCl is a strong acid therefore it completely dissociate to give H+ and Cl- ions. pH = -log H+…

Q: The equilibrium constant for the following reaction: NH3(aq) + H20(e) Z NH4*(aq) + OH (aq) is: Keq =…

A: Equilibrium constant is the ratio of concentration or pressure of products to that of reactants.

Q: Calculate the equilibrium concentration of NO2 given [O2]eq = 0.060M, [H2O]eq = 0.0478M, and [NH3]eq…

A: Reversible reactions proceeding inside containers after reaching a specified stage becomes stagnant.…

Q: What is the pH of a solution in which 4% of a 0.02 N weak acid is dissociated? O 4.1 O 3.1 4.2 O 3.2…

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Q: Oxides can react with water to form acids or bases. Identify each of the following oxides as acidic…

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Q: Balance the equation and choose the coefficient of the (?) Na CO3 + HCI → NaCl + H,0+ CO2 (x)Na2CO3…

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Q: The pH of a 0.10 M solution of Ni(NO3)2 is 5.0. Calculate the acid ionization constant of Ni(H 2O)…

A: [Ni(H2O)6]2+ is a Bronsted- Lowry acid. It releases H3O+ in solution.The acid ionization reaction is…

Q: What is the pH and nature of a solution where [OH = 9.8 x 10-11 M? %3D O 3.99, basic 10.01, basic O…

A: Given that, [OH-] = 9.8×10^-11 M

Q: What is the pH of a 0.04 Mof the diprotic acid H2CO3 solution? Kal= 4.3 x 10-7; Ka2 = 4.8 x 10-11.…

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Q: What is the pH of .76 M CN (aq)? O 13.9 O 4.7 O 9.3 O 2.4

A: Interpretation : We have to calculate the pH of CN- .

Q: What is the pH of a 0.136 M aqueous solution of potassium fluoride, KF? (Ka for HF = 7.2×10-4) pH

A: CONCEPT OF SALT HYDROLYSIS AND pH calculation of a salt of weak acid and strong base :

Q: Given that K = 2.9 x 109 for the following reaction,…

A: Given ReactionZn2+ (aq)   +  4 NH3(aq)  →  Zn(NH3)42+ (aq) K = Zn(NH3)42+NH34 Zn2+K = 2.9 * 109

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A: Dear student I have given answer to your question in the image format.

Q: What is the pOH of a 0.030 M Sr(OH)2 solution? a. 1.22 b. 12.48 c. 1.52 d. 12.78

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Q: Write the concentration equilibrium constant expression for this reaction. 3+ Cr,0, (aq)+ 61 (aq)+14…

A: The equilibrium constant expression can be written as, Ke=[Product]a[Reactant]bwhere,…

Q: Give the products of each of the following reaction equations and balance each. a) HCl (aq) + Na2CO3…

A: Given reactions are,   a) HCl (aq) + Na2CO3 (aq) → b) HNO3 (aq) + Na2S (aq) →

Q: A 0.75 M solution of a certain weak base has a pH of 11.60. What is the K, for this weak base? O 3.6…

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Q: 1) What is the equilibrium equation for the FeS(s) + 2 H30+ (aq) = Fe2+(aq) + H2S (aq) + 2 H20 (1)

A: Since you have posted multiple questions as per guidelines we can solve only one per session . If…

Q: What is the pH of a 0.04 Mof the diprotic acid H2CO3 solution? Kai- 4.3 x 10-7; Ka2 = 4.8 x 10-11 O…

A: We are given a 0.04 M diprotic acid and we have to find its pH.

Q: Fill in the left side of this equilibrium constant equation for the reaction of nitrous acid (HNO,)…

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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: Which of the following K values would indicate the weakest base of the group? O 1.2 x 109 O 6.3 x…

A: Ans:- (1.2×10-9 is the weakest base of the group).

Q: what is the ph of a 0.81 M hypochlorous acid (HClO) solution?

A: Given :- concentration of HClO = 0.81 M                 Ka = 3.0 × 10-8  To calculate :- pH of…

Q: What is the pH of a 0.04 Mof the diprotic acid H2CO3 solution? Kai= 4.3 x 10-; Ka2 = 4.8 x 1011 %3D…

A:

Q: The K, for hypoiodite anion (IO) is 4.35x10-4. What is the pH of a 0.226 mol L solution of lithium…

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Q: Ag+ (aq)  +  Cl–   (aq)     →     AgCl (s)               Delta H = ? What is the enthalpy change…

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Q: At equilibrium, what is the value of AG7XN? O = 1 O <0 O = 0 O <1

A: Equilibrium means there will be no change in any physical properties. So , accordingly Gibbs free…

Q: How many moles of hydroxide ions can be released into solution from 1.00 mg of Mg(OH)2 that is used…

A: Molar mass of Mg(OH)2 = 58.32 g/mol Given mass = 1 mg = 0.001g Moles = 0.001/58.32 = 1.71*10-5

Q: What is the pH of a 0.01 M of the diprotic acid H2CO3 solution? Kai= 4.3 x 107; Ka2 = 4.8 x 10". %3D

A: We have given that  What is the pH of a 0.01M of the diprotic acid H2CO3 solution  Ka1 = 4.3 ×10-7…

Q: Write a balanced chemical equation for the following reaction in a basic solution. ClO–(aq) +…

A: Write a balanced chemical equation for the following reaction in a basic solution.ClO–(aq) +…

Q: Given the following chemical reaction between a weak acid, HA, and water: НА(аg) Calculate the Ka of…

A: [HA] = 0.546 M  pH = 4.56  We need to determine value of Ka.

Q: What is the pH of 0.25 M Al(NO3)3

A: Given: The molarity of Al(NO3)3 is 0.25 M. The Ka value of [Al(H2O)6]3+ is 1.4 x 10-5.

Q: Which of the following is the weakest acid? PO 4 ^ 3; HPO 4 ^ 2; H_{2}*P * O_{4}; H_{3}*P * O_{4

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Q: Write an expression for the equilibrium constant  for this reaction: N2O4(g)+ O3(g)=N2O5(s)+O2(g)

A: