8. Given the following equilibrium reaction of NH3: H2O(1) NH4 (aq) OH (aq) + NH3aq) + Determine the pH in a 1.25 M NH3 solution (Ka = 5.6 x 10-10)

Q: 1,2-diaminoethane, H2N-CH2-CH2-NH2, is used extensively in the synthesis of compounds containing…

A: since you have posted multiple questions in a single session we are entitled to answer only first…

Q: A sample of potassium acetate, KCH3CO2 (M=98), of mass 4.9 g is used to prepare 500 ml of solution.…

A: Consider the given information is as follows; Mass of KCH3CO2 = 4.9 g Volume of solution = 500 mL =…

Q: What is the pH of a 0.710 M solution of C5H5NHB (Kb of C5H5N is 1.7 x 10-9)?

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

Q: For H2CO3, Ka1 = 4.3 × 10–7, Ka2 = 4.7 × 10–11. What is the pH of a 0.36 M solution of carbonic…

A: We have to predict the pH of 0.36 M of carbonic acid .

Q: The equilibrium constant for the reaction 2CrO42- (aq) + 2H+ (aq) ⇌ Cr2O72- (aq) + H2O is 3×1014.…

A: Given: 2CrO42- (aq) + 2H+ (aq) ⇌ Cr2O72- (aq) + H2O K = 3×1014

Q: What is the% hydrolysis of the acetate ion in a 0.1M solution of CH3COO (NH4) compared to the%…

A: A numerical problem based on Henderson equation, which is to be accomplished.

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: What is the pH of a solution containing both 0.10 M CH₃COOH and 0.20 M CH₃COONa? The Ka of CH₃COOH…

A: We have to predict the pH of the given solution.

Q: A sample of potassium acetate, KCH3CO2 (M=98), of mass 4.9 g is used to prepare 500 mL of solution.…

A: Answer: option b. 8.87 is the pH of the solution.

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: 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: Consider the following compound: [Cr(en)2(H20)]SO4. Which of the following is the Lewis acid? O H20…

A: Answer - Lewis acid - A Lewis acid is therefore any substance, such as the H+ ion, that can accept a…

Q: What is the pH of a 0.01 M CH3COOH solution? (Ka= 1.74 x 10-5)

A: Given that  Ka of Ch3COOH is 1.74× 10^-5    Concentration of Ch3COOH is 0.01M

Q: 7. A 0.495M solution of nitrous acid, HNO2, has a pH of 1.83. Calculate the value of Ka for nitrous…

A: Answer:- This question is answered by using the simple concept calculation of Ka value using the…

Q: A weak acid, HA, has a pKa of 4.838. If a solution of this acid has a pH of 4.675, what percentage…

A: Given:pKa = 4.838pH =4.675

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 of 1.10 M CrCl3 (K = 1.00x10-4)? %3D

A: Given, Concentration of CrCl3 (C) = 1.10 M Ka = 1.00 × 10-4 pH of the solution = ? Note: pKw = 14…

Q: What will be the pH of a solution containing 0.200 M NaH2PO4 and 0.200 M Na2HPO4? Ka(NaH2PO4) = 6.2…

A: Given,  Molar concentration of weak acid, NaH2PO4 or H2PO4- = [H2PO4-] = 0.200 M Molar concentration…

Q: Calculate the pH of a 0.450 M solution of NH4Cl (Kb for NH3 is 1.8 x 10-5)

A: Interpretation -  To determine the pH of 0.45M of NH4Cl solution when Kb of NH3 = 1.8 ×10-5 .…

Q: 1,2-diaminoethane, H2N-CH2-CH2-NH2, is used extensively in the synthesis of compounds containing…

A: The dissociation reaction is given as, H2N-CH2-CH2-NH2 + H2O →H2N-CH2-CH2-NH3+ + OH-

Q: What is the pH of a 0.870 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)?

A: Answer:- This question is answered by using the simple concept of hydrolysis of the salt formed by…

Q: Čalculate the molar concentration of ÕH- in a 0.050 M solu- tion of ethylamine (C2H;NH2; Kp, the pH…

A:

Q: Calculate the pH and the equilibrium concentrations of HSO3¯ and SO3" in a 0.2940 M sulfurous acid…

A: Equilibrium solution refers to those solutions where there is no change in concentration of product…

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

A:

Q: Calculate the pH of a 0.299 M NH, solution. NH, has a Kp = 1.8 × 10-5. pH =

A: pH =11.366

Q: Calculate the pH of a 0.20 M solution of sodium acetate (NaCH3COO) given that the Ka of acetic acid…

A:

Q: The equilibrium constant for the reaction 2CrO42- (aq) + 2H+ (aq) ⇌ Cr2O72-(aq) +H2O is 3×1014 .…

A: EQUILIBRIUM constant is defined as the ratio of concentration of products to the ratio of…

Q: Calculate the pH of a 0.325 M solution of a weak base whose conjugate acid has a pka-5.155.

A:

Q: Calculate the pH of a 0.297 M NH, solution. NH, has a Kp = 1.8 × 10–5. pH = %3D

A: "Since you have posted multiple questions, we will solve first question for you, to get other…

Q: Find the pH and the concentrations of H2SO3, HSO3, and SO23 in each of the following solutions:…

A:

Q: Determine the pH of a 0.0525M Fe(NO3)3 solution.  Ka of Fe3+ = 6.3x10-3

A: Reaction of ferric nitrate in water is given below Fe3+ is formed from Fe(NO3)3.

Q: Calculate the pH of a 0.0101 M aqueous solution of formic acid (HCOOH, Ka = 1.8E-4). pH =

A: For weak monoprotic acid ( HCOOH) : pH = 0.5 x (- log Ka - log C ) pH = 0.5 x ( - log 1.8 x 10-4 -…

Q: What is the pH of a solution prepared by dissolving 0.450 mol of NH3 in sufficient water to make…

A: Given,  The pH of a solution prepared by dissolving 0.450 mol of NH3 in sufficient water to make…

Q: What is the pH of a 0.660 M solution of C3H;NHB (Kb of C5H5N is 1.7 x 10-9)?

A: Given information, [C5H5NHBr] = 0.660 M Kb of C5H5N = 1.7*10-9 Calculate: pH = ?

Q: The acid dissociation reaction for the weak acid butyric acid, HC4H¬O2 is given below. Its Ka is…

A: The dissociation reaction given is Assuming y concentration of HC4H7O2 dissociates as per the…

Q: Calculate the pH of a 0.236 M solution of a triprotic weak acid, H3A, given the acid ionization…

A: Given,   The pH of a 0.236 M solution of a triprotic weak acid, H3A is:   the acid ionization…

Q: Phenoxide ion (C,HsO) is a weak base, with Kp = 7.70 x 10. Calculate the pH of a 0.50 M aqueous…

A: Given that  Kb = 7.70 × 10-5  Peroxide ion is a weak base

Q: Estimate the pH of 0.0025 M NH(CH3)3Cl(aq) at 25°C. It is given that trimethylamine ((CH3)3N) has a…

A: Given : Concentration of salt = 0.0025M pKb = 4.19

Q: Calculate the molar concentration of OH- in a 0.724 M solution of hypobromite ion 1BrO-; Kb = 4.0 *…

A: Since the BrO- will get hydrolysed by water as per the reaction => BrO- (aq) + H2O (l)…

Q: What is the pH of a .459 M solution of NaClO. Ka= 2.87x10^-8

A:

Q: The equilibrium constant for the reaction between a weak acid and a weak base can be calculated from…

A: Given that: For formic acid, Ka = 1.8 x 10⁻⁴For ammonia, Kb = 1.8 x 10⁻⁵ To calculate the net…

Q: Calculate the pH of a 0.20 M solution of NH4NO3 Kb(NH3) = 1.8x10^-5 Thank you :)

A: A pH scale is a scale that is used to determine the acidic and basic nature of a solution. If the pH…

Q: Calculate the pOH of a solution with [H+]= 1.4 x 10^-9 M Calculate the pH of a 0.050 M aqueous…

A: Here, we have to calculate the pOH of a solution with [H+]= 1.4 x 10-9 M Also, we have to calculate…

Q: Calculate the pH of a solution that is 0.250 M in HClO4 and 0.125 M in CH3COOH (Ka = 1.8 x 10-5)

A:

Q: Determine the Ph of a 0.020 M solution of oxalic acid, H2C2O4. What is the concentration of C2O4 ion…

A: Oxalic acid is diprotic acid and Ka1 = 6.5 * 10-2 and Ka2 = 6.1 * 10-5 [Oxalic acid] = 0.020 M…

Q: Calculate the pH of 0.10 M (COOH)2 (aq), oxalic acid. Kat = 5.9 × 10-2 ; Ka2 = 6.4 × 10-5

A:

Q: Calculate the pH of 0.0154 M NaN3. (Ka of HN3 = 1.9 x 10-5)

A: NaN3 is a salt of weak acid (HN3) and strong base (NaOH). We know, the pH of salt, which is formed…

Q: Calculate the pH of a 0.300 M solution of lactic acid, for which the Ka value is 1.40 x 104. A. 8.67…

A: Lactic acid is a weak acid. Given data is: concentarion of solution = 3.00 M Ka=1.40×10-4 Now, next…

Q: When preparing 0.075 M KCN solution, the equilibrium constant (Ka) was found to be equal to 49 x…

A:

Q: The pH for 0.0850 M solution of C6H5CH2COOH is 2.68. Determine the value of Ka for C6H5CH2COOH.

A: Given pH of C6H5CH2COOH is = 2.68. We Know, pH = - log[H3O+] So, 2.68 = - log[H3O+] Or, log[H3O+] =…