determine the Ka of an acid HA whose 0.04679 M solution has a pH of 1.589 HA A- + H+

Q: A 0.10 M solution of formic acid (HCOOH) is prepared in various solvents: (a) 0.10 M Ca(HCOO)2…

A: The given data contains, Molarity of HCOOH = 0.10 M Molarity of Ca(HCOO)2 =0.10 M Ka = 1.78 X 10-4

Q: For the acid HNO2 identify its conjugate base, write the dissociation reaction and write the acid…

A: Bronsted-Lowry concept of an acid and base, the conjugate base can be differentiated by a proton as;…

Q: A 0.051 M solution of a weak acid has a pH of 2.09. Calculate the acid ionization constant (Ka) of…

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Q: Using the data table write th formula of the conjugate base that has the weakest base?    Acid…

A: Bronsted-Lowry acid-base theory: According to the Bronsted-Lowry acid-base theory, acid is a…

Q: Arrange the following solution from lowest pH to highest pH: 0.20 M CH₃COOH (Ka = 1.8 x 10⁻⁵), 0.06…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Determine the [OH−][OH−] , pH, and pOH of a solution with a [H+][H+] of 0.00042 M0.00042 M at 25 °C.…

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Q: Calculate the pH of 0.80 M HIO(aq) given that its Ka = 2.3×10-11.

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Q: Calculate the pH of a solution formed by mixing 200.0 mL of 0.10 M CH3NH2 with 250.0 mL of 0.15 M…

A: Solution, which resist in pH change value upon addition of small amount of strong acid or base (less…

Q: Caffeine (C8H10N4O2) is a weak base with pKb of 10.4. Calculate the ph of a solution containing a…

A: Caffeine is a weak base. Given  pKb for caffeine = 10.4  Cocentration of caffeine =455 mg/L…

Q: THE Ka for weak acid (HA) is knwon to be 1.9x10^-5. What is the ratio of [A-] to [HA] at a pH of 6?

A: Since it is given that the solution is having both HA and A- ion in the solution  hence the solution…

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

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Q: Calculate the pH and the pOH of these solutions:     (a) 0.257 M HBr pH =   pOH =     (b) 0.332 M…

A: Since you have posted a question with multiple sub-parts, we will solve first two subparts for you.…

Q: Determine the Ka of a weak acid HA that has a concentration of 0.025 M and a pH of 4.09 at 25°C.

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Q: Determine the pH of a 0.10 molL-1 solution of carbonic acid, H2CO3 HCO3 (aq) H20() = CO3²(aq) +…

A: Answer:- This question is answered by using the simple concept of calculation of pH of a weak acid…

Q: An acid (HA) has a % Ionization of 0.065%. A solution of this acid has a molarity of 0.500 M.…

A: Given.  % Ionization =0.065%.                              molarity = 0.500 M.

Q: An unknown weak acid with a concentration of 0.130 M has a pH of 5.600. What is the Ka of the weak…

A: Assuming the unknown weak acid is HA Hence the dissociation reaction of acid is  HA ------> H+ +…

Q: A 0.154-M aqueous solution of a weak acid has a pH of 2.26. Calculate Ka for the acid. Ka =…

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Q: The pH of a 0.2 M solution of a weak acid HA is found to be 3.6. Calculate the Kb for A-

A: Wr will ionize HA , then calculate concentrations at equilibrium to find Kb .

Q: weak acids. Use the Ka values in the following table to help answer some of the questions. a) Using…

A: In the given question we have to predict which one of the acid has lowered pH and acidic by using…

Q: Calculate thee pH of a 0.15 M solution of the weak base aniline C6H5NH2: Kb=3.8 x 10^-10

A: pH is defined as the negative logarithm of hydrogen ion concentration present in the solution. pH =…

Q: The pH of 0.0720M solution of a weak acid is 2.670. What is the Ka of the acid

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Q: Calculate the [H3O+], [OH-], pH and pOH of a 0.12 M HNO2

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Q: Find the pH of a 0.0237 M benzoic acid (C6­H5COOH) solution. The Ka of benzoic acid is 6.28 x 10-5…

A: Given:

Q: Since the pH of 0.1 M acetic acid solution is measured as 2.88, the Ka value of acetic acid…

A: The degree of ionization has to be calculated, Given, The pH of the solution is 2.88. We know that…

Q: A 0.763 M solution of a weak acid (HA) is made.  The solution has a pH of 5.32. Calculate the Ka of…

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Q: Calculate the pH of a 0.18 M solution of KNO2. (Ka (HNO2) = 4.5 x 10-4) Group of answer choices…

A: Given : Concentration of KNO2 = 0.18 M And Ka of HNO2 = 4.5 X 10-4  Since KNO2 is a completely…

Q: HK is a strong acid. Calculate the following quantities for a 0.00580 M solution of HK. [HK]…

A: Since HK is a strong acid, thus it will ionize completely when dissolved in water. HK+H2O→H3O++K-…

Q: A 0.785M solution of the weak acid, hypoiodous acid, HOI, has a Ka of 2.32x10-11.  What is the Ka…

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Q: The weak acid benzoic acid has a Ka = 6.3x10-5.  What is the pH of a 0.58 M solution of benzoic…

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Q: What is the pH of a solution with 10.2mL 0.10M CH3COOH and 0.15mL 1.0M HCl ? Ka = 1.8x10^-5

A: pH is the negative logarithm of the hydrogen ion concentration. It is a measure of acidity or…

Q: Show by computation which acid is the weakest based on its % ionization. The lesser its %…

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Q: HX is a weak acid: Ka = 5.52 × 10–7. Calculate the pH of a solution in which [HX] = 0.0501 M and…

A: Here HX is a weak acid. Given data, Ka =5.52×10-7 [HX]=0.0501 M and [X1-]=0.00845 M

Q: An acid (HA) has a % Ionization of 2.1%. A solution of this acid has a molarity of 0.500 M.…

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Q: The pH of a 0.247 M aqueous HC(O)COOH solution is 2.04. q1: calculate Ka q2: calculate pH of a…

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Q: Determine if each of the following is acidic or basic: pH =3.5 [H+] = 2.88 x 10 -2 M pOH = 6.5 [OH-]…

A: The solution will be acidic or basic can be decided using the pH of the solution. If pH > 7 =>…

Q: The acid dissociation constant Ka of carbonic acid (H2CO3) is 4.5x10^−7. Calculate the pH of a 4.5M…

A: Given :-  Concentration of H2CO3 solution = 4.5 M  Ka for H2CO3 = 4.5 × 10-7  To calculate :-  pH of…

Q: The pH of a 0.50 M aqueous solution of a weak acid at 25.0 °C is 1.43. What is the value of Ka for…

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Q: 15.Calculate [OH-] of NaClO, 0.110M; KaHClO = 3.0 x 10-8. Group of answer choices 3.0 x 10-6 1.9 x…

A: Given: Concentration of NaClO is 0.110 M. KaHClO of HClO is 3.0 ×10-8.   Note: Since you have asked…

Q: Calculate the pH of an 0.025 M solution of HF. HF is a weak acid Ka = 0.00071

A: The PH of weak acids can be calculated as follows

Q: Calculate the pH at 25 ° C of a 0.28 M solution of a weak acid that has Ka = 9.2  ×  10−6.

A: Dissociation constant of acid (Ka) - In dissociation reaction of acid, ratio of concentration of…

Q: The Ka for H2S is 9.1x10^-8. Calculate the pH of a .15 M solution of H2S in water

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Q: The weak acid HCN has Ka= 6.2 x10-10. Determine the pH of a 4.597 M solution of HCN.

A: Given: weak acid HCN with Ka= 6.2 x10-10 To find: pH of a 4.597 M solution of HCN.

Q: Put the following in order from highest to lowest pH if they all have the same molarity:…

A: The compounds given are C6H5COOH, HClO3, CsOH, Ba(OH)2, KCl and Li3PO4. The pH of any acid is always…

Q: 1) Determine the [H30t] and pH of a 0 020 M weak acid solution with a Ka = 3.10 X10 . 2) A 0 34 M…

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Q: HIO3 has a ka of  0.16. What is the pH of a 0.600 M HIO3 solution? (use successive approximations)

A: The strength of an acid depends on the extent of its dissociation in water. Strong acids dissociate…

Q: [H₂O] 2[OH-] [NH₂]² Construct the expression for Ka for the weak acid, NH4*. NH4(aq) + H₂O(1) H3O+…

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Q: pH of a 0.35 M aqueous solution of sodium formate

A: Given that , Ka for formic acid = 1.8×10-4 pH of 0.35 M aqueous solution of sodium formate (NaHCO2)…

Q: What is the pH of a 0.926M solution of acetic acid (Ka=1.8x10^-5)?

A: Acetic acid is a weak acid. pH of a weak acid is found by Ostwald's dilution law.  pH = (1/2) (pka…

Q: Calculate the pH of a 0.10M weak acid, HA, whose Ka is 1.8 X 10

A: Given that: Concentration of weak acid,(HA) = 0.10M Ka = 1.8×10-5 Weak acid partially dissociates…

Q: What will be the pH of a solution of a weak acid (HB), of concentration 0.15 M (Ka = 1.8x10-5

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