a 0.55 M solution of a monobasic compound B has a pH of 11.32, what is the Kb value of the base B

Q: When 0.412 g of a weak base with Kb = 3.10 ×10-5 the base is dissolved in 1.00 L of solution, it has…

A: Assuming the molar mass is M  Hence moles of base = mass / molar mass = 0.412 / M And concentration…

Q: Use the drop down menu to answer if these statements about the polyprotic acid are true or false.…

A: We have to tell whether given statement are true or false

Q: (a) Calculate the pH of a 0.020 M solution of oxalic acid (H2C2O4). (See Table 16.3 for Ka1 and K2.)

A: The answer for part (a) is given below. Kindly repost the other part as separate one. (a) Given:…

Q: Calculate pH of the following solutions: a) 0.25 M HNO3 in 0.065 M CH3COOH (K,=1.75x10). b) 0.33 M…

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Q: You have a 1.25 L solution with 2.14 g of NaIO and the pH is 11,32. What is the Kb of NaIO?

A: Solution pH, pKa, pKb, Ka, and K ar employed in chemistry to explain however acidic or basic an…

Q: What is the pH of a 0.00535 M solution of NaOH?

A: Number of moles of solute present in one litre of Solution is called Molality (M)  Units: mol/L  pH…

Q: Which of the following aqueous solutions will have the highest pH? For NH3, Kb = 1.8 × 10–5; for…

A: Here we have to find out the respective ph of all the species

Q: The pH of an aqueous solution of 0.559 M caffeine (a weak base with the formula C3H10N402) is

A: Given, Caffeine (C8H10N4O2) is a weak base. Concentration of Caffeine solution (C) = 0.559 M pH of…

Q: The pH of a 0.0084 M solution of HNO₃ is

A: The pH of any compound can be calculated on the basis of the concentration of hydronium ions present…

Q: Determine the pH of each of the following solutions. (a) 0.826 M hydrocyanic acid (HCN) (weak acid…

A: (a) 0.826 M HCN(b) 0.656 M HBrO(c) 0.673 M pyridine

Q: 17) A weak base, B, has a concentration of 0.155 M. If the pH of the solution is 11.24, what is the…

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Q: What is the pH of a 0.320 M solution of Ca(NO₂)₂ (Ka of HNO₂ is 4.5 × 10⁻⁴)?

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Q: An unknown weak base with a concentration of 0.170 M has a pH of 9.50. What is the Kb of this base

A: There are two types of bases. One is strong base which is completely dissociable in into its ions…

Q: An unknown weak base with a concentration of 0.170 M has a pH of 9.15. What is the Kb of this base?

A: Solution:       Weak bases on dissociation show partial ionization. This means that an equilibrium…

Q: What is the pH of (i) 1.0 X 103 M HBr and (ii) 1.0 X 102 M KOH?

A: We know that, pH and pOH can be expressed as the negative logarithm of hydrogen ion and hydroxide…

Q: (a) Do the calculations and show that the hydronium ion concentration for a 0.233-M solution of C6…

A: (a) C6H5NH3+ hydrolyze in water as follows:

Q: What is pH of a 0.1 Molar solution of oxalic acid in water

A: Given : Concentration of oxalic acid i.e H2C2O4 = 0.1 M The Ka1 and Ka2 of oxalic acid are 5.0 X…

Q: Which of the following can be classified as a Lewis base? BH3 O I only II, III, and IV O I and II O…

A: Lewis bases are those compounds which has lone pair of electrons to donate.  Lewis acids are those…

Q: Find the pH of a 0.22 M AlCl3 (aq) solution if Ka of Al3+ is 1.2 × 10–5

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Q: What is the pH of a 0.0760 M solution of HONH₃Cl (Kb of HONH₂ is 1.1 × 10⁻⁸)?

A: Given salt is a mixture of W.B + SA  HONH3Cl it undergo salt hydrolysis  It's  pH = 7 - 1/2(pkb +…

Q: What the pH of 0.10 M solution of methylamine (Kb for CH3NH2 is 4.4 x 10*)?

A: A numerical problem based on pH of the weak base, which is to be accomplished.

Q: What is the ionization constant of a weak acid [HA], when its conjugate pair has a Kb value of 4.4 x…

A: In the ionization of a weak acid HA, A- is produced as a conjugated base.  HAAcid →Ionization…

Q: The pH of aqueous 0.10 M pyridine (C5H5N) ion is 9.29. What is the Kb of this base

A: Given , Concentration of pyridine (C) = 0.10 M pH of pyridine solution = 9.29 Dissociation constant…

Q: Calculate the pH of the following solutions.(1a): 7.5 x 10-2 M HCl(1b): 0.0062 M KOH(1c): 2.84 g…

A: Hi there! Since this question contains multiple parts so I am answering the first three parts.

Q: The pH of a 0.0492 M solution of a weak acid is 2.641. What is the Ka of the acid?

A: pH= 2.641

Q: What is the pH of a solution that has an H+ concentration of                        (a) 1.75 × 10 –5…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: Determine the pH of the following solutions:   (a) 50.0 mg of naproxen (pKa = 4.2) sodium…

A:

Q: Determine the pH of a solution that is 0.00482 M HCl0.00482 M HCl and 0.0304 M HClO2. The Ka of…

A: Given -> Molarity of HCl = 0.00482 M Molarity of HClO2 = 0.0304 M Ka = 1.1 × 10-2

Q: what ph does a 12,7 M NaOH solute have?

A: NaOH ---> Na+ + OH–  [NaOH] = 12.7 M = [OH–]  So, pOH  = – log [OH–] pOH = – log (12.7) = 1.103…

Q: A 0.100 M weak base has a pH of 8.77. What is the Kb value of this base?

A: Given:Let the acid be : MOHpH=8.77also, concentration of weak base= 0.100Mi.e [MOH] =0.100M

Q: a) Write the formula for the conjugate base of HPO, -2 b) Write the formula for the conjugate acid…

A:

Q: the pH and concentrations of species the following sõlutions (a) 0.20 M K,HPO4 An amphiprotic…

A: Amphiprotic species   Amphiprotic species can act both as acid and base by donating or accepting…

Q: Three acids found in food are lactic acid (LA) in milk products, oxalic acid (OA) in rhubarb, and…

A: Given that:  pKa of lactic acid(LA) = 3.88 pKa of oxalic acid (OA) = 1.23 pKa of malic acid (MA) =…

Q: Calculate the pH of each of the following solutions. (a) 0.109 M HONH, (Kb = 1.1 × 10-8) 4.0 9.34 x…

A: The concentration of HONH2 = 0.109 M The concentration of HONH3+ = 0.109 M

Q: Calculate the pH of a 0.275M solution of aniline, C₆H₅NH₂.

A: Given that   concentration of  Ph-NH2 = = 0.1807 M   pKb for Ph-NH2 = 9.13     Kb of Ph-NH2 =…

Q: The ka of an unknown acid, HYO₂,  is determined to be 5 x 10⁻² empirically. What is the pH of a 0.1…

A: The objective of this question is to calculate the pH of a 0.1 M solution of an unknown acid HYO2,…

Q: Consider a binary acid, represented as HA, in which one or more ionizable H atoms are bonded to one…

A: Statements correctly summarize the influence of partner A on the strength of the acid HA: The…

Q: Determine the pH of each of the following solutions.

A: Given : concentration of weak acid and base.  tip : pH = -log[H+]

Q: At pH = 3.9, a weak acid has a concentration of 0.75 M. If the pKa = 4.5, what is the concentration…

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Q: (a) 33. Which one of the following statements regarding acid-base property is NOT correct? pH + pOH…

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Q: Calculate ph of a 0.94 M solution of a weak base with KB= 1.97 x 10^-9

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Q: Codeine, C18H21 NO3 (pKµ = 6.05), is a common drug used to treat cough and pain and has a similar…

A:

Q: The pH of an aqueous solution of 0.428 M methylamine (a weak base with the formula CH3NH2) is

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.