A certain weak base has a Kp of 8.00 x 1'. What concentration of this base will produce a pH of 10.31? concentration: 0.003215 Incorrect

Q: In the laboratory, a general chemistry student measured the pH of a 0.345 M aqueous solution of…

A: The ionization reaction for caffeine is as follows, C8H10N4O2+H2O→HC8H10N4O2++OH- For above…

Q: A certain weak base has a Kp of 7.30 x 10-7. What concentration of this base will produce a pH of…

A: We need to calculate the concentration of the weak base that has pH = 10.27

Q: If the Kp of a weak base is 3.4 × 10-0, what is the pH of a 0.25 M solution of this base? pH =

A:

Q: A solution is made by dissolving 26.5 g of Ba(NO₂)₂ in 500.0 mL of water. Using Kb(NO₂⁻) = 2.2 ×…

A: Given that, Weight of Ba(NO₂)₂  = 26.5 g Weight of Ba(NO₂)₂  = 26.5 g/261.337 g/mol = 0.1014 mol…

Q: A solution is prepared that is initially 0.0010 M NaOH and 0.10 M NH3. What is the pH of this…

A: [NaOH] =0.001 M [NH3] = 0.10M

Q: A solution is prepared that is initially 0.34M in acetic acid (HCH,CO, and 0.33M in potassium…

A: Molarity of acetic acid = 0.34 MMass of potassium acetate =0.33 M

Q: Write the K expression for an aqueous solution of hypochlorous acid:

A:

Q: A student determines that the value of pK, for HCN = 9.26 . What is the value of K,? a

A: Given  PKa for HCN   = 9.26  Ka    = ?

Q: A certain weak base has a Kp of 7.30 x 10-'. What concentration of this base will produce a pH of…

A: Given data, Kb =7.30×10-7 pH =10.37 Let us consider the weak base is B. It react with water as,…

Q: Calculate the pH of a solution that is 0.080 M  pyridine (pKb = 5.25) and 0.215 M  pyridinium…

A: A buffer solution is a solution that resists a change in its pH on the addition of a small amount of…

Q: 0.1 M Na2CO3 solution, using the given pH data, write expression for equilibrium constant (Ka or…

A: As the pH of Na2CO3 is 11.0 which means that it is basic in nature.

Q: In the laboratory, a general chemistry student measured the pH of a 0.509 M aqueous solution of…

A:

Q: A solution is found to contain 1 x 10-6 OH− ions, determine the pH of this solution.

A: As we know:

Q: 2) What is pH of the following weak acids" a. 0.01 M NH4CI b. 0.01 M NH3 c. 0.01 M NHẠCI added to an…

A: PH = -log ( H+) For aqueous solution highest PH  at 25°C = 14 but non-aqeous solution it can be…

Q: Fill in the left side of this equilibrium constant equation for the reaction of carbonic acid…

A: in this question given ka ka= Acid dissociation constant, acid dissociation constant is used to…

Q: Calculate the pH of the solution that contains 0.145 M NH3 and 0.192 M NH4Cl.  The Ka of NH4+ is…

A: The solution will be the buffer solution if the weak acid and its corresponding conjugate base are…

Q: Which of the following aqueous solutions are good buffer systems? O0.29 M ammonium nitrate + 0.31 M…

A: Buffer solution implies presence of either a weak acid or weak base and its form salt.  On the off…

Q: An aqueous solution of 0.057 M weak acid, HX, has a pH of 4.65. What is the pH of the solution if…

A: A buffer solution is made with a weak acid and its conjugate base, such solution resist the change…

Q: Determine the pH of a solution that is 0.00372 M HCl and 0.0240 M HCIO,. The K, of HCIO, is 1.1 x…

A: pH is the negative logarithm of hydronium ion concentration. It is used to measure the acidic or…

Q: In the laboratory, a general chemistry student measured the pH of a 0.564 M aqueous solution of…

A: Quinoline is a heterocyclic aromatic compound and a colorless liquid with a strong odor. Quinolines…

Q: Determine the K, of a weak base if a 0.28 M solution of the base has a pH of 10.14 at 25°C. K x 10

A: Given: Concentration of weak base (Assuming B) = 0.28 M And the pH of the solution = 10.14

Q: 16. The Ka of Hydrocyanic acid is 4.9 X 10-10 Consider a 0.050 M solution of its salt potassium…

A: To Find: To find the pH value of the salt solution.

Q: If the Kp of a weak base is 1.0 x 106, what is the pH of a 0.11 M solution of this base? pH =

A: Let us consider a base B, hydrolysis of the base is given below B + H2O ---> BH+ + OH- Now, at…

Q: 0.1 M NH4CI solution, using the given pH data, write expression for equilibrium constant (Ka or Kb):

A: Net ionic reaction for the hydrolysis reaction in NH4Cl is given below NH4+​​​​​​​(aq) +…

Q: Which of the following aqueous solutions are good buffer systems? O 0.21 M nitric acid + 0.25 M…

A: Good buffer systems are : 0.21 M Hydrofluoric acid + 0.13 M Potassium fluoride 0.29 M Ammonium…

Q: A solution is found to contain 1 x 10-2 OH− ions, determine the pH of this solution.

A: Given information [OH-] is 1×10-2

Q: Which of the following aqueous solutions are good buffer systems? O 0.14 M hypochlorous acid + 0.18…

A: Buffer solution is combination of weak acid or base with salt of weak acid or base respectively.

Q: Consider 20.00 mL of a 0.40M hypothetical weak acid solution, HA. The K, = 3.3 X 106 for this weak…

A: Given: Volume of weak acid, HA = 20.00 mL Molarity of HA = 0.40 M Volume of NaOH = 20.00 mL Molarity…

Q: Calculate the pH of the solution. Assume 1.0 L of solution. You must identify the type of solution…

A: There are two types of bases/acids. One is strong base/acid which is completely dissociable in into…

Q: A 0.0015 M solution of a weak base has a pH of 9.84. Calculate Kb. Fill in reaction > Initial…

A: The dissociation of a weak base can be given as: For example: NH4OH⇋NH4++OH- The pH is 9.48 But,…

Q: Calculate the pH of a solution that is 0.080 M  pyridine (pKb = 5.25) and 0.285 M  pyridinium…

A: The pH of a solution measures the concentration of hydrogen ions in a solution, which indicates the…

Q: If the K, of a weak base is 3.9 x 10-6, what is the pH of a 0.48 M solution of this base?

A: Kb- is a dissociation constant of weak base. Formula is, pOH - pOH is defined as negative logarithm…

Q: The concentration of CH3COOH (pKa=4.75) in vinegar is about 1.0 M. With this what do you predict the…

A: pH is the negative logarithm of Hydrogen ion concentration. pH of a solution can be calculated as:…

Q: If the Kp of a weak base is 2.5 x 10-6, what is the pH of a 0.23 M solution of this base?

A: pH +  pOH = 14 For a weak base solution: [OH-] = (Kb x C)1/2 Where, C = molar concentration of weak…

Q: Calculate the pH of the solution that results when 0.093 g Mg(OH)2 is mixed with 75.0 mL of 0.0500 M…

A:

Q: b. 0.001 M CH3CH2NH2 (Kb = 4.3 x 104) i. Write the dissociation reaction. ii. Write the Kb…

A: A. CH3CH2NH2 + H2O = CH3CH2NH3^+ + HO^- B. Kb = [CH3CH2NH3^+][HO^-]/{[CH3CH2NH2][H2O]} C. [HO^-] =…

Q: What is the pH of a 0.681 M weak base solution? The Kp of the weak base is 0.000098.

A: Given:: Let HB is weak base then, [HB] =0.681 M Kb=0.000098

Q: 4. Calculate the pH of a solution that is 0.0532 M in acetic acid and 0.0245 M in sodium acetate.

A: Given-> Concentration of acetic acid = 0.0532 M Concentration of sodium acetate = 0.0245 M

Q: Calculate the pH of a 0.383 M NH, solution. NH, has a Kp 1.8 x 10-5. pH

A: NH3 is a weak base and since Kb value is very less so it is assumed that reaction proceeds very less…

Q: A certain weak base has a Kp of 8.60 × 10-'. What concentration of this base will produce a pH of…

A: Kb = 8.40x10-7 pH= 10.37 Concentration of base=?

Q: Determine the pH of a 0.13 M acetic acid solution. The K, of acetic acid is 1.8 X 10 5.

A:

Q: Consider 20.00 mL of a 0.40 M hypothetical weak acid solution, HA. The K, = 3.3 X 106 for this weak…

A:

Q: If the K of a weak base is 2.4 x 10-6, what is the pH of a 0.47 M solution of this base? pH =

A:

Q: Determine the pH of a solution by adding 0.23 mole formic acid and 0.17 mole of sodium formate in…

A: Here formic acid is a weak acid and sodium formate is an salt of weak acid so they both combine to…

Q: What will the pH be when you dissolve the following salts in water? Will the pH be acidic, neutral,…

A: A basic solution is the one in which the concentration of hydroxide is more than the concentration…

Q: If the Kp of a weak base is 7.3 x 10-6, what is the pH of a 0.28 M solution of this base? pH =

A: The value of Kb for the given weak base is = 7.3x10-6 The concentration of the base solution is =…

Q: A certain weak base has a Kp of 8.20 × 10–7. What concentration of this base will produce a pH of…

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

Q: The fluoride ion is the conjugate base of the weak acid hydrofluoric acid. The value of K, for F, is…

A:

Q: Calculate the pH of an aqueous solution that contains 0.369 M potassium sulfite and 0.482 M…

A: Given- Concentration of potassium sulphite= 0.369M  Concentration of potassium hydrogen sulphite=…

Q: Which of the following aqueous solutions are good buffer systems? O 0.29 M nitric acid + 0.24 M…

A: A good buffer consist of: weak acid + conjugate base salt Weak base + conjugate acid salt

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.