Calculate the pH of a 0.132 M solution of ethylenediamine (H₂NCH₂CH₂NH₂). The pKa values for the acidic form of ethylenediamine (H₂NCH₂CH₂NH3) are 6.848 (pKal) and 9.928 (pK a2). pH = Calculate the concentration of each form of ethylenediamine in this solution at equilibrium. [H₂NCH₂CH₂NH3] = [H NCH₂CH₂NH; ] : = M M

Q: Determine the concentrations of the ionic species present in a 0.430 M solution of the Na2CO3.…

A: Firstly write balanced chemical equation for H2CO3 ( carbonic acid )   H2CO3 <=> HCO3- + H+…

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: 9. Br Br -Br

A: Given

Q: Determine the pH of a 0.31 M solution of NaN3 (Ka for HN3 = 1.9 × 10−5). Express your answer using…

A: NaN3 is salt of weak acid and strong base and it is basic salt  pH = 1/2 ( 14 + pka + log C)

Q: What is the equilibrium constant of the HSO4-ion, if [H3O+] = 0.027 M; [HSO−4] =0.29 M; and [SO2−4]…

A: The Complete and balanced chemical equation is given as,

Q: Which of these may be classified as a Lewis base? O Fe O Zn2+ O CO2 O CH3NH2

A: CH3NH2 is lewis base.

Q: Using the literature Ka for theCH3NH3+ ion, calculate the theoretical pH of a 0.147 M solution of…

A: Methyl amine is a weak base. Here methylammonium chloride is used. Which is the conjugate acid salt…

Q: Calculate the pH for the following concentration: [H3O+] = 2.19 x 10-5 M.

A:

Q: Calculating the pH of a weak base solution The base protonation constant K, of morpholine (C,H,ONH)…

A:

Q: Carbonic acid (H2CO3) plays a role in blood chemistry, cave formation, and ocean acidification.…

A: Given, Molarity of Carbonic acid ( H2CO3) = 0.075 M From appendix -C  Ka1 of H2CO3 = 4.5 x 10-7 and…

Q: Complete the table. (All solutions are at 25 °C.) Solution [H3O+] [OH-] pH 1 3.19 2 3 4 3.2 x 10-9…

A:

Q: Calculate the hydronium ion concentration, [H3O+][H3⁢O+], for a solution with a pH of 5.61

A: • The values provided in the question are:-      i) pH of a solution = 5.61    • We need to…

Q: The substance trimethylamine is a weak nitrogenous base like ammonia. Write a net ionic equation to…

A:

Q: odium nitrate (NaNO2) was often added to processed meat to enhance color and to protect against the…

A: NaNO2 belongs to a category of a salt of a weak acid and strong base: NaNO2 ⇌Na+ +NO2- NO2-+H2O ⇌…

Q: weak

A: We used the Hinderson equation for calculating the concentration of salt ( NaA ) and it's acid ( HA…

Q: 1. Which of the following solutions are acidic? Which are basic? Distilled H2O NaCl NH4Cl NaCH3COO…

A: Salt of strong acid and strong base is neutral  Salt of strong acid weak base is acidic  Salt of…

Q: Write the dissociation equation and calculate the pH for a solution of 2.5 M HNO2 nitrous acid, Ka…

A:

Q: Ammonia is O Acidic O Neutral O Basic

A: Formula of ammonia - NH3. Ammonia contains one nitrogen and three hydrogens. Nitrogen atom of…

Q: Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three…

A:

Q: Using the literature Ka for theCH3NH3+ ion, calculate the theoretical pH of a 0.147 M solution of…

A: Concentration of methylammonium chloride = 0.147 MKa for CH3NH3+ is = 2.3×10-11   from literature

Q: Calculate the pH at 25C of a 0.53 M solution of sodium hypochlorite (NaClO). Note that hypochlorous…

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Q: pH of the salt NH4Br

A:

Q: Propylamıne, Cs H, NH2, is a weak base. A 0.87 M aqueous solution of propylamine has a pH of 12.20.…

A: a) Given, Propylamine (C3H7NH2) is a weak base. Concentration of Propylamine solution (C) = 0.87 M…

Q: Classify the following reaction: HCl(aq) + Zn(s) → H2(g)  +  ZnCl2(aq)

A:

Q: What are the pH, pOH and [H3O+] for a 2.37x 10–2 M HClO4 solution? HClO4 is a strong mineral acid.

A:

Q: Which of the following salts is considered basic when dissolved in water? Which of the following…

A: Given salts :  NaF  KCl  BaBr2 (NH4)2SO4 NaNO3  when a salt is dissolved in water , it gives acid…

Q: What is the pH of a 0.12 M solution of Na2SO3 at 25 °C? For the diprotic acid, H₂SO3, Ka1 = 1.2 x…

A:

Q: Calculate the percentage of pyridine (C5H5N) that forms pyridinium ion, C5H5NH+ , in a 0.10 M…

A: Pyridine is a weak base which dissolves in water, dissociates partially into ions. The ions will be…

Q: Sulfurous acid (H₂SO3) is a polyprotic acid. Write balanced chemical equations for the sequence of…

A: The given acid is an dibasic acid which can produce two H+ ions when dissolved in water.

Q: didention the following organic reactions as substitution elimination, or addition of from arrows to…

A: This question belong to reaction mechanism of organic compounds. Substitution Reaction: one…

Q: C9 H13 N is a weak base with a pKb of 4.2. Calculate the pH of a solution containing an C9 H13N…

A:

Q: What is the [H3O+] of an acidic solution that hs a ph of 11.25

A: To calculate  pH  you need to know the concentration of the hydroniumion [H3O+]. The pH is then…

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: 3. For the following Lewis acid-base reaction, identify the acid, the base, and the new covalent…

A:

Q: How do I write the chemical equation for the reaction of NaOH and HC2H3O2?

A:

Q: Predict the products of the following acid-base reaction. Identify and label the conjugate acid /…

A: Complete the given reaction and identify acid-base pairs ----

Q: Milk of magnesia is a suspension of magnesium hydroxide in water. Although Mg(OH)2 is relatively…

A:

Q: D: C: Identify the most plausible mechanism for the ACID-BASE reaction below: H. HH e:- A: most…

A: The objective of this question is to identify the most plausible mechanism for the acid-base…

Q: Which one is more acidic and  why?

A: In the given question, we are asked about the acidity of the following compounds: A.…

Q: Calculate the pH of a 0.20 M HA solution, given the pKa of HA is 2.22.

A:

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…

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