17) A weak base, B, has a concentration of 0.155 M. If the pH of the solution is 11.24, what is the K, of the base? B (aq) + H2O (1) BH* (aq) + OH" (aq)

Q: The Ksp of aluminum hydroxide, Al(OH)3, is 2 × 10−31. What pH is required to limit the Al3+…

A: Al(OH)3 (s) ------> Al3+ (aq) + 3 OH- (aq) The Ksp of the reaction is given by  Ksp = [Al3+] X…

Q: Calculate the energy released for the consumption of 350mL of 6.5 M LIOH in the following…

A:

Q: The pH of human blood is steady at a value of approximately 7.4 owing to the following equilibrium…

A:

Q: The pH of black tea is 5.5, while the pH of Coke is 2.5. Which of the following correctly describes…

A: To know the concentration of H+ ion , pH scale is introduced  Negative logaritham of H+ ion…

Q: What is the pH of [H30+]= 2.4 * 10 3 M?

A: Given :- [H3O+] = 2.4 x 10-3 M  To calculate :- pH of solution   pH = -log[H3O+]

Q: The pH of an aqueous solution of 0.223 M sodium hypochlorite, NaCiO (aq), is This solution is (

A:

Q: The pH of a solution containing a [H3O+] = 3.40 x 10 negative 5 M, is:

A: pH is a scale to measure the concentration of hydrogen ions. The negative logarithm of hydrogen ion…

Q: Consider the following at equilibrium for maleic acid: H,C,H,O, (aq) + H,0 (1) HC,H,O, (aq) + H,O"…

A:

Q: What is the pH of a 0.0500 M solution of HONH₃Cl (Kb of HONH₂ is 1.1 × 10⁻⁸)?

A: HONH3Cl is a salt and in solution it gets dissociated as HONH3Cl → HONH3+ + Cl- The hydrolysis…

Q: Determine both the pH and the % ionization of a 0.53 M hypochlorous acid, HCIO, solution at 25°C.…

A: The given data is as follows: The concentration of HClO = 0.53 M The value of Ka for HClO = 2.9×10-8…

Q: The pH of a 0.05 M acid solution is 1.4. What is [H] in that solution? If the K, for the acid is 3.3…

A: We know that pH is the negative logarithm of H+ ion concentration. that is  pH = – log[H+] ⇒[H+] =…

Q: 5) What is the pH of a solution containing 0.22: base, B, with a K, of 3.8 X 10? в (аq) + H,0 (1) ВН…

A: Concentration of weak base(C)= 0.225 M Ka = 3.80 ×10--7 pKa = -log(Ka)   = -log(3.80×10-7) = 6.42

Q: What is the pH of a 0.0250 M solution of HONH₃Cl (Kb of HONH₂ is 1.1 × 10⁻⁸)?

A: pH can be calculated as follows

Q: Calculate the pOH of 0.716 M anilinium hydrochloride (C6H5NH3Cl) solution in water, given that Kb…

A: Given data,Molarity of C6H5NH3Cl=0.716MKb=3.83×10-4

Q: Calculate the pH of the following solutions in which the [H+] is a) 0.01, b) 1.0 x 10 –8 , and c)…

A: Given that -  Hydrogen ion concentration , [H+] are -  a) 0.01 b)1.0 x 10 –8  c) 4.67 x 10 –4  Then,…

Q: What is the pH of a 0.720 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)?

A:

Q: The pH of a solution is 5.2, what is the [OH] concentration?

A: Given pH of the solution = 5.2 In order to find [OH-] concentration, we have to calculate pOH from…

Q: What is the pH of a 0.650 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)?

A:

Q: What is the pH of a 0.1250 M CH3NH3Br? Kb for CH3NH2 is 3.70e-4.

A: Given,  The pH of a 0.1250 M CH3NH3Br is : Kb for CH3NH2 is 3.70e-4.

Q: The pH of a lime is 1.90. What is the [H3O*]?

A: Power of hydrogenpH value indicates the acidic and basic nature of a solution. pH ranges between 0…

Q: The pH of an aqueous solution of 3.34×10² M potassium acetate, KCH3COO (aq), is This solution is

A:

Q: Suppose a 0.031 Maqueous solution of phosphoric acid (H, PO) is prepared. Calculate the equilibrium…

A:

Q: The equilibrium for the reaction between (CH,),NH, a weak base, and water is represented by the…

A: Recall the following expression to calculate pH of basic buffer     pH=14-pKb - logsaltbase Given…

Q: 2. The pH of a lime is 1.90. What is the [H3O*]?

A: pH is negative log of Proton concentration.

Q: Determine the K of a weak base if a 0.33 M solution of the base has a pH of 12.18 at 25°C. x 10

A: Given that: concentration of weak base = 0.33 M pH = 12.18 To find: Kb?

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 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: What is the pH of the resulting solution

A:

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 contains 0.35 mol/L of the strons base NaOH?

A:

Q: What is the pH of a 0.510 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)?

A: Given information: Concentration of solution = 0.510 M

Q: If the molar concentration of OH- is 1.0 x 10-7, the pH is what?

A: Applying formula of pH  POH= -log[OH-]

Q: Calculate the pH of the weak acid, lactic acid (HC3H5O3), if the concentration is 0.10 mol/L and the…

A: Given data,Molarity of lactic acid=0.10mol/LKa of lactic acid=1.4×10-4

Q: Which of the following reactions is associated with the definition of K„? O Zn(OH2),²*(aq) =…

A: SOLUTION: Step 1: A base reacts with water, it abstracts a proton and releases OH- ions. The…

Q: Suppose a 0.23M aqueous solution of phosphoric acid (H3PO4) is prepared. Calculate the equilibrium…

A:

Q: The pH scale allows us to measure the amount of ___ in a solution.   A. OH - B. mols C. electrolytes…

A: PH scale indicates the type of solution.

Q: Calculate the pH of a 0.100 M HC2H3O2(aq) solution.

A: The acid in the given problem is depicted by the formula C2H3O2H is acetic acid . It can be written…

Q: What is the pH of a 0.380 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)?

A:

Q: What is the pH of a 0.060 mol L-1 Ba(OH)2(aq) solution?

A: Given,  0.060 mol L-1 or 0.060 M Ba(OH)2(aq)

Q: What is the pH of a 0.0380 M solution of HONH₃Cl (Kb of HONH₂ is 1.1 × 10⁻⁸)?

A: pH = 3.73

Q: 6. Acid-Base Equilibria. If HNO, is added to water, how does [OH ] change? How does pH change? a Use…

A: For pure water,  [H+] = [H3O+]  Hydrogen ion is not stable so with water it form hydronium ion. [H+]…

Q: Which of the following equations represents the acid equilibrium associated with Ka, for H,PO,? A)…

A:

Q: Dilution is necessary for commercially available acids such as HNO3, H2SO4 etc so that the strength…

A: The to the following question is-

Q: 6. The pH of a solution is 6.5, what is the [H3O*]? What is the pOH? What is the [OH]?

A: pH of solution is defined as the concentration of hydronium ion H3O+in the solution pOH of solution…

Q: Chemists working with fluorine and its compounds some- times find it helpful to think in terms of…

A: (a) would the acid in this system be the fluoride donor or fluoride exceptor  (b) Identify the acid…

Q: What is the pH of a 0.500 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)?

A:

Q: A 0.437 M solution of a weak base has a pH of 11.94. What is the base hydrolysis constant, Kp, for…

A:

Q: f the pOH is 6.2, the pH is

A: pH = -log[H+] pOH = 14 - (-log[H+]) pOH = 14 -pH Given in the question, pOH = 6.2

Q: The pH of asSolution is l,4lI. what is thep what is the TOM]? OH? What is the [H30*]?

A: Given   PH    = 1.411  POH  =   ? [ H3O+ ]   =  ?  [ OH- ]     =  ?

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.