Q: If the pKa of HCIO is 7.46 and the pH of an HCIO/NaCIO solution is 7.59, O [HCIO]>[CIO] O…
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Q: A 0.045 0 M solution of HA has a pH of 2.78. Find pKa for HA.
A: Given, initial concentration of HA = 0.0450 M pH = 2.78 We know that, pH can be…
Q: 0.5MHCI
A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…
Q: Histidine is one of the 20 amino acids found in proteins. Shown here is a fully protonated histidine…
A: Since you have posted a question with multiple sub-parts, we will solve the first three for you. To…
Q: An organic acid has pKa = 4.70. What is its Ka value?
A: Ka = 10 -pka Explanation = pKa = -log10Ka -pKa = log10Kanow Ka = 10-pKa
Q: Determine Ka for hydrogen sulfate ion, HSO4 −. In a 0.10-M solution the acid is 29% ionized.
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Q: What is the Kb for the conjugate base of an unknown acid with a Ka of (7.1x10^-3)
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Q: 1. How many grams of Ca3(PO4)2 will be needed to prepare 500.0 mL of a 0.161-M solution of…
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Q: Calculate the pH of a 0.0015 M solution of C6H5NH2 (Kb for C6H5NH2= 3.80 x %3D
A: given :- concentration of C6H5NH2 = 0.0015 M Kb for C6H5NH2 = 3.80 × 10-10 To calculate :- pH of…
Q: a pka value of 9 has more charged or more neutral molecules in a solution with the pH value:
A: If a base receives one proton, then the formed species is a conjugate acid whereas an acid lose one…
Q: For a weak acid with a pKa of 6.0, show how you would calculate the ration of acid to salt at pH 5.
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Q: Chemistry hypochlorous acid (HCIO) is a weak acid with pka=9.21. for a 0.10 M aqueous solution of…
A: Given : Concentration of hypochlorous acid (HOCl) = 0.10 M pKa of hypochlorous acid = 9.21
Q: A student determines that the value of pKa for CH3COOH = 4.57 . What is the value of Ka?
A: Carboxylic acids (containing -COOH), such as acetic and lactic acids, normally have a Ka constant of…
Q: 2. Calculate Ka for Aspirin solution (350 ml containing 1.26 g) with pH 2.6. The molecular formula…
A: Given data, Mass of aspirin=1.26gVolume=350mL=0.350LpH=2.6Molecular mass of aspirin=180g/mol
Q: Use the References to access important values il needed tor this question. In the laboratory, a…
A: Here CH3COOH is weak acid. Weak acid are those which does not dissociate completely in aqueous…
Q: The pH of o.100 M of HCIO is 4.23. Calculate the Ka of HCIO. А. 7.87874 x 105 4.7683 x 10 8 C.…
A: Given, pH of HClO = 4.23 Molarity of HClO = 0.100 M Calculate the acid dissociation constant of…
Q: Listed below are two organic acids and their pKa values. Calculate the acid dissociation constant,…
A: 1) The strength of an acid is related to its pKa as: Acidic Strength ∝1pKa∝Ka That is, lower the…
Q: Oleic acid (which can be denoted as HOL), is a weak acid. Considering its sodium salt, sodium oleate…
A: We have to calculate the pKa of the HOL.
Q: A weak monoprotic acid, HA dissociates by 2.416 % and has a pH of 3.61. Calculate the Ka value for…
A: percent dissociation of HA is 2.416% pH = 3.61
Q: Calculate the pH values of the following solutions: a) a 0.1 M solution of protonated methylamine…
A: Given data: Concentration of methylamine = 0.1M Concentration of HCOOH = 0.3M Concentration of…
Q: ionization constant of the strongest acid is
A: Higher ionisation constant results in stronger acid
Q: Acetic acid pKa = 4.76, what does Ka =_________ M
A: The equation is given as:
Q: Calculate Ka for the ammonium ion
A: Calculating the ka for ammonium ion is given below, Where, ka is an equilibrium constant. kb for NH3…
Q: Methylamine CH3NH2 is a weak base with pKb =3.36. What is the value of Ka for the trimethylammonium…
A: Answer: This question is based on conjugate acid-base pair.
Q: LiF has a pKsp of 2.77. HF has a pKa of 3.17. LiF is dissolved at 0.250 F after addition of strong…
A: Formality is the number of formula mass in gram present per litre of a solution. Formula mass of…
Q: For the expression pH=pK₂ + log What is [A]? [B] [A] the pH = 4.130, the pka = 4.200, and [B] =…
A: Answer: Both the questions are based on the skillset of solving the mathematical equation in…
Q: If the Ka of the conjugate acid is 2.78 × 10-7 , what is the pKb for the base
A: Based on Bronsted theory, whenever a base accepts a proton that is H+, the formation of conjugate…
Q: Calculate the pH of a 0.325 M solution of a weak base whose conjugate acid has a pka-5.155.
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Q: A generic acid H3A has a pKa values of 3.26,5.76, and 12.29. In a solution with pH 2.13, the species…
A: Given that H3A has pKa values pKa1 = 3.26 pKa2 = 5.76 pKa3 = 12.29 The ionizations are Ka1 : H3A…
Q: The pKb for the propanoate ion, CH3CH2CO3 , is 9.126. What is the value of Ka (NOT the pKa) for…
A: Given-> pKb of CH3CH2COO- = 9.126
Q: The pKa of a particular weak acid is 4.85. What is the pH of the weak acid solution when exactly…
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Q: A weak acid has KA = 1.59 x 10-8. What is the pKB of its conjugate base?
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Q: Calculate the pH and percent ionization of 0.05 M acetic acid Ka = 1.8 x 10 -5. %3D
A: Given, Concentration of acetic Acid (C) = 0.05 M Ka for acetic acid = 1.8 × 10-5 pH = ? Percent…
Q: Acid A with ka 3.5 x 10-5 is more acidic than acid B with ka 6.5 x 10-6
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Q: A 0.200 M solution of nitrous acid (HNO2) had a pH of 2.07. What is the Ka value for nitrous acid.
A: Nitrous acid is a weak acid.
Q: Periodic acid, HIO4, is an important oxidizing agent and a moderately strong acid. In a 0.10 M…
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Q: The value of Ka for acetic acid is 1.75 X 1025. Find Kb for acetate ion.
A: Given information, Ka for acetic acid is 1.75 X 1025
Q: Calculate the pH of a 0.10 M solution of potassium acetate. The pKa for acetic acid = 4.76 (at…
A: Given, 0.10 M solution of potassium acetate. The pKa for acetic acid = 4.76 (at 25°C)
Q: The pKa of MOPS is 7.20. Draw the equilibrium involved in the dissociation of the proton. 1. Suppose…
A: Hi, as you have posted multiple questions and have not mentioned which question you want us to solve…
Q: Rank the following anions in order of increasing base strength (weakest to strongest) based upon the…
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Q: A weak acid, HA, has a pKa of 4.268. If a solution of this acid has a pH of 4.853, what percentage…
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Q: What is Ka for the conjugate acid of C₅H₅N (Kb = 1.7 × 10⁻⁹)?
A: Kw is ionization constant for water . Ka and kB ionization constant for Acid and base respectively…
Q: Given that a weak acid has a pKa of 3.45, find the % ionization of a 0.345 M solution of weak acid.
A: Let the weak acid be HA,its concentration is 0.345,and degree of dissociation/degree of ionisation…
Q: a If an acid, HA, dissolves in water such that the Ka is 70000, what is the pK, of that acid? pKa
A: Applying formula Pka= -log ka
Q: 13. Write the Ka expression for the following HF
A: We know that HF is a weak base. When dissolved in water. HF (aq) + H2O → H3O+ (aq) + F- (aq)
Q: Adipic acid H₂C₆H₈O₄ has two acidic protons. If the the Ka1 = 2.8 x 10⁻⁵ and Ka2 = 5.8 x 10⁻⁷, what…
A: The equilibrium constant of a chemical reaction relates the concentration of products and reactants…
Q: A. What is the Kb when the Ka of a solution is 5.47x10^-4? B. the Ka of an acid is determined to be…
A: Hello. There are multiple questions posted together. The first question has been solved. To receive…
Q: The pka of a particular weak acid is 4.85. What is the pH of the weak acid solution when exactly…
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Q: Ex 2) Acids and Bases: A solution is obtained by completely dissolving 900 g of sodium hypochlorite…
A: Answer:- This question is answered by using the simple concept of calculation of pH of solution…
Q: Calculate the pH values of the following solutions: a. a 1.0 M solution of acetic acid (pKa = 4.76)…
A: From given data For part (a) pKa=4.76 [CH3COOH]=1.0 M For part (b)…
The Ka for iodic acid is 0.18. WHat is Kb for the iodate ion?
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- Nitrous Acid (HNO2) has a Ka value of 5.6x10–4. Calculate the pH of a solution that is 0.00298 M nitrous acid.Adipic acid H₂C₆H₈O₄ has two acidic protons. If the the Ka1 = 2.8 x 10⁻⁵ and Ka2 = 5.8 x 10⁻⁷, what is the Kb for the salt NaHC₆H₈O₄?Calculate the pKa of the weak acid HA, given that a solution of 0.65 M HA and 0.85 M NaA has a pH of 4.75
- What is Ka for the conjugate acid of C₅H₅N (Kb = 1.7 × 10⁻⁹)?At 28°C and 0.982 atm, gaseous compound HA has density of 1.16 g/L. A quantity of 2.03 g of this compound is dissolved in water and diluted to exactly 1 L. If the pH of the solution is 5.22 (due to ionization of HA) at 25°C, calculate Ka of the acid.Acetic acid, CH3COOH , has a Ka of 1.8×10−5. Calculate Kb for the acetate ion.