4. A weak base, B, is 1.2 % ionized in 0.20 M solution. What is Kb for B?

Q: HX (M = 150. g/mol) and HY (M = 50.0 g/mol) are weak acids. A solution of 12.0 g/L of HX has the…

A: Given data: The molar mass of HX = 150. g/mol. The molar mass of HY = 50.0 g/mol. The mass of HX =…

Q: An unknown weak base with a concentration of 0.0910 M has a pH of 10.70. What is the Kb of this…

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Q: The pOH of a 0.25 M weak base is 5.45. Determine Kb

A: To determine kb if the pOH of a 0.25 M weak base is 5.45.

Q: Consider HA (a weak acid) and HB (a weak base). 11) A 0.10 M solution of the weak base D has a pH…

A: Given: pH = 11.45 concentration of weak base = 0.10 M

Q: What is the ph of a 0.214 M weak base solution? The Kb of the weak base is 0.000033.

A: Given :-  Concentration of weak base = 0.214 M  Kb = 0.000033  To calculate :-  pH of solution

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: An unknown weak base with a concentration of 0.170 M has a pH of 9.63. What is the Kb of this base?

A: The weak base dissociates feebly in an aqueous solution to furnish the hydroxide ions. For example,…

Q: Assume that a generic weak base has an 0.83 M concentration. It also has a pH value of 10.5. Solve…

A: Given, Concentration of a weak base = (C) = 0.83 M pH of the solution = 10.5 Ka of the given base =…

Q: An unknown weak base with a concentration of 0.170 M has a pH of 10.26. What is the Kb of this base?

A: We have pH as 10.26, concentration as 0.17 M, we have to calculate the Kb of the base .

Q: An unknown weak base with a concentration of 0.170 M has a pH of 9.54. What is the Kb of this base?

A: pH = -log[H3O+] Where [H3O+] is the concentration of hydronium ion…

Q: Which of the following would be considered a weak base? Solution A B C D % Dissociation 95 30 85 45…

A: Acids have pH level less than 7 and bases have pH more tha 7. Higher the pH stronger is the base…

Q: Putting 10g of H2SO3 in 95mL of water will give an acid with what concentration?

A: Concentration of a solution can be calculated in terms of molarity, normality, molality, or…

Q: An unknown weak base with a concentration of 0.0910 M has a pH of 11.90. What is the Kb of this…

A: Given: Concentration of base = 0.0910 M And pH of solution = 11.90  Since pOH = 14 - pH => pOH =…

Q: A 0.135 M solution of a weak base has a pH of 11.22.  a) Determine Kb for the base.

A: Concentration of OH- is determined as follows,

Q: or a 0.28 M solution of a weak base (Kb =1.7 x 106) what is the: a. Hydroxide ion concentration? b.…

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Q: At 25°C, a 0.19 M  solution of hydroxylamine, NH2OH that acts as a weak base, is 4.6% ionized. What…

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Q: An unknown weak base with a concentration of 0.0910 M has a pH of 10.90. What is the Kb of this…

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Q: An unknown weak base with a concentration of 0.0910 M has a pH of 10.80. What is the Kb of this…

A: Welcome to bartleby!  Introduction :  We have to calculate Kb of the base .

Q: You are given four acid solutions of different concentrations (i) 0.1 M  (ii) 0.25 (iii) 0.05 and…

A: 0.1 M means 0.1 mol of solute are present in 1 L of solution. 0.25 M means 0.25 mol of solute are…

Q: A certain weak base has a Kb of 8.40×10−7. What concentration of this base will produce a pH of…

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Q: The [OH–] = 1.3 x 10–6 M for a 0.025 M solution of a weak base. Calculate the value of Kb for this…

A: Kb value for given weak base is 5.2×10^-5.

Q: What mass of LIOH would need to be dissolved in 500.0 mL of water to produce a solution with a pH of…

A: We have ph=12.40 Since, ph+pOH=14 So,  pOH=14-ph=14-12.40 pOH=1.6 And pOH=-log[OH-] [OH-]=10-poH…

Q: Consider 1 M solution of NaCN and NaF. Which solution is more basic? What about 1M Na2CO3 and…

A: CN- is more basic because negative charge is on less electron Negative atom so can donate easily…

Q: What volume (in mL) of 15.8 M HNO3 would be required to make 500.0 mL of a solution with a pH of…

A: Here, we have to find the volume of 15.8 M HMNO3 that would be required to make 500.0 mL of a…

Q: What volume (in mL) of 9.2 M HCIO, would be required to make 500.0 mL of a solution with a pH of…

A: pH of the solution determines the acidic or basic nature of the solution. It is given that pH of the…

Q: An unknown weak base with a concentration of 0.170 M has a pH of 10.04. What is the Kb of this base

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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: 4. Which hydroxides are weak bases? А) КОН, Ва(ОН)2 E) None of these is a weak base. B) Sr(OH)2,…

A: Strong  bases are those which can dissociate completely and gives hydroxide ion.

Q: The pOH of a 0.07 M NgOH solution at 25 °C is:

A: Given :- concentration of NaOH = 0.07 M  To calculate :- pOH of the solution

Q: The value of K, for acetic acid is 1.80x10-5. What is the value of K, for its conjugate base,…

A:

Q: Enter your answer in the provided box. Calculate the pH at 25°C of a 0.26 M aqueous solution of a…

A: Since its not given that whether the base is monoprotic, diprotic or polyprotic Hence i'm assuming…

Q: An unknown weak base with a concentration of 0.170 M has a pH of 9.42. What is the Kb of this base?

A: Given is Concentration (c) = 0.170 M pH = 9.42 Kb = 0.170

Q: Which would you expect to be the better Lewis base, C^4- or Si^4-? Explain.

A: Species which can donate electron/s or electron density is called lewis base. And electron donation…

Q: A 0.25-M weak base solution has a pH of 11.50. Calculate its Kb.

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Q: A solution with a H+ concentration of 1.00 x 10-7 M is said to be neutral. Why?

A: pH = -log[H+]

Q: An unknown weak base with a concentration of 0.0910 M has a pH of 12.30. What is the Kb of this…

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Q: The pH of a weak base (B) is 8.73 when the concentration of the weak base is 0.012 M. What is the…

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Q: An unknown weak base with a concentration of 0.170 M has a pH of 9.64. What is the Kb of this base?

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Q: 6. The percent ionization of 0.200M HOCI(aq) is 4.75%, determine the Ka of the acid.

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Q: 11. An unknown weak base with a concentration of 0.0910 M has a pH of 12.40. What is the Kb of this…

A: We have to calculate the Kb of the base.

Q: Kb

A:

Q: An unknown weak base with a concentration of 0.0910 M has a pH of 11.70. What is the Kb of this…

A: A weak base is a substance that do not dissociate completely.

Q: What is the concentration of H+ in moles/L in a solution that has a pH of 8.35?

A: Given :- pH of solution = 8.35  To calculate :- concentration of H+ ion (mol/L)

Q: a 0.0800 M solution of a base, B, is 23.0% ionized. Calculate the value of the base ionization…

A: Given,  The molarity of a base B = 0.0800 M.  Percent of ionization = 23.0 % The ionization constant…

Q: 5) What is the pH and pOH of a solution with a [H,0'] of 5.72X 10* M? Is the solution acidic, basic…

A: Hydrogen ion concentration is an important parameter of an aqueous solution. The concentration of…

Q: What is the Ka of the acid in a solution that is 0.34M in the acid, and 0.247M in the conjugate base…

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Q: The pH of a weak base (B) is 9.99 when the concentration of the weak base is 0.18 M. What is the…

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Q: An unknown weak base with a concentration of 0.170 M has a pH of 9.28. What is the Kb of this base?

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Q: An unknown weak base with a concentration of 0.170 M has a pH of 9.37. What is the Kb of this base?

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

Q: An unknown weak base with a concentration of 0.170 M has a pH of 9.53. What is the Kb of this base?

A: The K b represents an equilibrium constant.  If the value of K b is small, then the base will be…