b. You have 100 mLs of a 2 M histidine solution at pH 6.0, how many ml.s of a 5 M KOH solution must be added to bring the pH to exactly 7.0? Report your answer to 1 decimal point - assume no change in volume

Q: At 10.ºC, Kw = 1.14 x 10-15. What is the pH of water at 10.ºC? Choose the closest answer. 3.98…

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Q: 1. Please illustrate the molecular structure of pyruvic acid, a weak acid. Identify the conjugate…

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Q: Calculate the pH at 25 °C of a 0.32M solution of trimethylammonium chloride base with a pK of 4.19.…

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Q: Calculate the pH at 25 °C of a 0.44 M solution of lidocaine HCI (C14H2NONH,CI). Note that lidocaine…

A: Since C14H21NONH is a weak base with pKb = 7.94 Hence the pKa of its conjugate base i.e C14H21NONH2+…

Q: At a ph=12, glycine will have a charge of what

A: At a ph=12 Glycine will have a charge.

Q: Part A Calculate the pH of a solution containing a caffeine concentration of 415 mg/L. Express your…

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Q: Calculate the pH at 25 °C of a 0.26M solution of trimethylammonium chloride ((CH₂), NHCI). Note that…

A: Given,Molarity of (CH3)3NHCl = 0.26 MKb of (CH3)3N = 4.19

Q: 7 of 15 Kb for 0.100 M phenol, whose pH is 8.82 is 2.3x10-17 1.5x10-⁹ 4.4x10-10 O 1.5x10-4

A: Solving only the first question as per guidelines for further assistance please post the questions…

Q: Consider an amino acid (A) with no ionizable side chains, and call the three species involved in the…

A: Using Hendesen-Hasselbalck equation pH = pKa + log([HA]/[H2A+]) with, [HA] + [H2A+] = 1 mM [HA] = 1…

Q: It's the question "calculate the pH of a 0.10M hypochlorite acid,HClO solution."  Ka=2.9 x 10-8

A: Given, Ka = 2.9 × 10-8 [HClO] = 0.10 M

Q: The pH of a 0.50 M solution of ethylamine CH3CH₂NH2 is 12.21. Calculate the Kb of ethylamine. Use…

A: we have to calculate the value of Kb for ethylamine

Q: Consider the following data on some weak acids and weak bases: acid base K, formula formula name…

A: The word pH stands for the potency of hydrogen and it is used to measure the concentration of…

Q: Write the balanced equation for the ionization of the weak base pyridine, C,H,N, in water, H,O.…

A: Pyridine is a basic heterocyclic organic compound with the chemical formula C5H5N. It is…

Q: Calculate the pH at 25 °C of a 0.62 M solution of trimethylammonium chloride with a pk of 4.19.…

A: Given,Molarity of (CH3)3NHCl = 0.62 MKb of (CH3)3N = 4.19

Q: Note these acronyms: HOAC = Acetic Acid; NaOAc = Sodium Acetate; THF = tetrahydrofuran Ph = Phenyl =…

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Q: Alanine (HA) is a diprotic amino acid with K₁₁ = 4.53 × 10-³ and K₁2 = 1.36 × 10-¹0. Determine the…

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Q: What is the pH of 10.00 M of maelic acid where its Ka1 is 1.3 x 10-2 and Ka2 is 5.9 X 10-7? pH =…

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Q: I don't get it at all. I struggled with the predominant form of leucine at pH = 1.0, pH = 7.4, and…

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Q: What would be the conjugate base of HSO4- ? Express your answer as a chemical formula.

A: According to the Bronsted lowry concept of acid and base, acid has a tendency to donate hydrogen…

Q: Using complete sentences, explain how pH changes can denature a protein. HINT: Formal charges on…

A: Changes in pH can affect the charge of amino acid side chains in a protein, which can in turn…

Q: ne following is the strongest base? Organic Acid Formic acid (HCOOH) K, pK, 1.8 X 10 4 3.74 Acetic…

A: The question is based on the concept of conjugate acid base principle. a strong acid has a weak…

Q: Consider the following data on some weak acids and weak bases: acid base K, name formula name…

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Q: 15. A base that ionizes incompletely in water is called a(n).

A: The species increases the concentration of hydrogen ion or hydronium in an aqueous solution act as…

Q: Can you explain how to find conjugated base and acid?

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Q: +18-01 Q3. Calculate the [H] (concentration of the H*) of a HCI solution when the pH=2.88 **Hint to…

A: pH of the HCl solution = 2.88Concentration of the H+ ion = [H+] = ?Note: As we know that,pH =…

Q: 7. For ech of the amino acids listed (a thrugh e) classify each as either polar, nonpolar, acidic,…

A: Given Amino acid

Q: Tryptophan (HW) is a diprotic amino acid with K₁ = 4.3 x 103 and K₁2=4.7 x 10-10. Determine the pH…

A: The objective of the question is to determine the pH of the given solutions.

Q: Calculate the pH of a 0.0567 M solution of ascorbic acid H2C6H6O6. The Ka, of ascorbic acid = 3.1 x…

A: Step 1: Ascorbic acid ionizes in solution according to the chemical equations…

Q: Each row represents an experimental “run” (in this case, averaged sample of mango wine). Column A…

A: The objective of this question is to show the scatterplot is a type of graph that shows the…

Q: Calculate the pH and the equilibrium concentrations of HC6H606 and СHО6²- in a 0.1820 M ascorbic…

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Q: Henderson-Hasselbalch equation for a propanoic acid solution (CH3⁢CH2⁢CO2H, p?a=4.874). Using the…

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Q: CH3COOOH 3. Ph Ph' 4.

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Q: Note these acronyms: HOAC = Acetic Acid; NaOAc = Sodium Acetate; THF = tetrahydrofuran Ph = Phenyl =…

A: Given:  Hydroboration - oxidation reaction Ozonolysis

Q: Calculate the pH of the following solutions. 0.20 M pyridine-3-carboxylic acid hydrochloride

A: pH of weak acid

Q: (Q20) In the hydrosulfuric acid solution described in Q19, what is the equilibrium concentration of…

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Q: A weak base has Kg = 3.26 x 10-2. What is the pKB of this base? Report your answer to at least 1…

A: The pKB of a base is the negative logarithmic of KB value of the base.

Q: If a solution of dissolved acid has pH = 2.5 and the pka for the acid chemical is K 4.3 and you…

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Q: Calculate the pH of a 0.457 M aqueous solution of triethylamine ((C2H5)3N, Kb = 5.2×10-4).   pH =

A: pOH = 1/2 ( pKb - log c ) pOH = 1/2 ( 4 - log 5.2 - log 0.457)  pOH = 3.62

Q: Complete the following table "predicted pH." Please show all work on a separate sheet of paper and…

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

Q: Calculate the percent dissociation of trimethylacetic acid (C4H,CO₂H) in in a 0.26 mM aqueous…

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Q: Justify your answer with calculations of partial charges on these amino acid side chains at pH =…

A: Answer part (c) only

Q: long chains of nucleotides. A nucleotide consists of a sugar molecule (either ribose in RNA or…

A: Bases in DNA: Adenine, Guanine, Cytosine and Thymine Bases in RNA: Adenine, Guanine, Cytosine and…

Q: JOH1 Acid/Base 3.45 x 105 3.64 x 1012 1.24 x 10 3 2.57 x 109

A: ★ [H+] = 3.45 × 10-5  pH = - log (3.45 × 10-5) = 4.46  So, It is acid. [OH-] = 10-14/3.45 × 10-5 =…

Q: mm 0.022 doidve of (41) bros Sibisconbydlo noitudo: M ILL 6. Classify each of the following as an…

A: The objective of the question is to classify the given substances into different types of acids and…

Q: The base protonation constant K of ammonia (NH₂) is 1.8 × 10 5. Calculate the pH of a 0.26 M…

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Q: Based on the data in the table below, which of the following is the strongest base? Organic Acid…

A: Sodium propionate has the strongest basicity.

Q: Phenolphthalein has a pKa of 9.7 and is colorless in its acid form and pink in its basic form. For…

A: Given value from the question, pH= 7.7 pka=9.7

Q: What is the [acetate]/[acetic acid] ratio with a pH of 4.39? Provide an answer with 2 significant…

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Q: Calculate the pH of a 0.471 M aqueous solution of diethylamine ((C₂H5)₂NH, Kb = 6.9x10-4). pH =…

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Q: Using the data from the table above, which of the following statements best identifies and describes…

A: A multiple choice question based on general chemistry that is to be accomplished.

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.