D) The following figure shows the relationship between log D and pH for an organic base (amphetamine) that is distributed between an aqueous layer and organic layer. Explain why log D rises with pH and then it becomes stable after a certain pH. of -6 10 12 pH a bo

Q: The value of Ka for benzoic acid is 6.30×10-5. What is the value of Kb, for its conjugate base,…

A:

Q: Knowing the approximate pKavalues above will help in answering this question. A) Which form…

A: Hi, this question can be solved without using pKa values.

Q: ion of a weak base (B:) is made. The solution has a pH of 11.49. Calculate the Kb of our answer in…

A: pH = -log[H+]  pOH = -log[OH-]  Also pH = 14-OH  Kw = 1.0×10-14 = [H+][OH-]

Q: When a strong base is added to a solution with pH of 7.5, the pH of the solution will A.) Increase…

A: A solution with pH = 7.5  we have to determine what will happen if a strong base is added to that…

Q: Morphine is a weak base for which K, is 8 × 10-7. Calcu- late the pH of a solution made by…

A: Morphine PubChem CID 5288826 Structure Find Similar Structures Chemical Safety…

Q: Q. HOW IS THE ATTACK OF MILD ACIDIC ENVIRONMENT ON ACID,BASIC, AND NEUTRAL REFRACTOTRIES.

A: A question based on materials that is to be accomplished.

Q: Use the following table to predict the best acid / base pair for the desired pH/pOH value: pH =…

A: Given : To predict the best acid/ base pair for the desired pH value of 10.31.

Q: The pH of a 0.17 M solution of propanoic acid (HC3H;O2 is measured to be 2.81. Calculate the acid…

A: The dissociation reaction is given by  HC3H5O2 ----> H+ + C3H5O2-  hence we can say that the H+…

Q: A diprotic base (B) has pK, values of 3.33 (pK5i) and 6.66 (pK2). Which of the equalities is true…

A: Here we have to determine the predominant species of a diprotic base B at different pH. Given pKb1=…

Q: Complete the table below: (Show your solution - given, required, solution) [H+] pH pOH [OH-] 3.6 x…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: H2NNH2 is a weak diprotic base.  Calculate [OH-], [H2NNH3+], [H3NNH32+] and [H3O+] in a 0.1M…

A: A weak diprotic base undergoes partial dissociation twice and releases a hydroxide ion OH- and its…

Q: A 0.10 M solution of a base has pH 5 9.28. Find Kb.

A: The base dissociation constant, Kb represents the dissociation of base in water. When the value of…

Q: 15. Methylamine is a weak base with the formula, CH3NH2, the Kb for methylamine is 4.38 x 10-4 In…

A: We have to calculate the pH of the solution.

Q: Calculate the pH at 25 °C of a 0.33M solution of lidocalne HCI (C4H,, NONH, CI). Note that lidocalne…

A:

Q: What would be the [H3O+] for a soda found to have a [OH-] of 1.26 x 10-¹3 mol/L? Is the solution…

A: Given concentration of OH- ion, [OH-] =1.26×10-13 moles/L concentration of H3O+ ion, [H3O+] =…

Q: Ethylamine (C2H5NH2) has a Kb value of 4.5x10–4. Calculate the pH of a solution that is 0.00789 M…

A: Interpretation - To calculate the pH value of the 0.00789 M ethylamine solution when ethylamine…

Q: 1) Calculate the concentration of C6H6O62- in an aqueous solution of 4.04×10-2 M ascorbic acid,…

A: H2C6H6O6  + 2H2O --> C6H6O62-  + 2H3O+  No. of molecules 1  M                     2…

Q: The pH and Kh of 0.1N NH4Cl solution, if Kb for NH4OH at 25°C is 1.8x10-5 will be respectively equal…

A: We have given that Concentration of NH4Cl = 0.1N Kb of NH4OH = 1.8×10-5 Calculation of KhNH4Cl is…

Q: Calculate [H3 0+] for a solution with a pH of 9.85. Express the concentration using two significant…

A:

Q: Determine the Kb of a weak base that has a concentration of 0.75 M and a pOH of 4.74 at 25°C.

A:

Q: Cocaine is a weak organic base whose molecular formulais C17H21NO4. An aqueous solution of cocaine…

A:

Q: 15. Methylamine is a weak base with the formula, CH3NH2, the Kb for methylamine is 4.38 x 10-4 In…

A: We have to calculate the pH of the solution .

Q: The Kw for water at 0 °C is 0.12 × 10-14. Calculate the pH of a neutral aqueous solution at 0 °C. pH…

A:

Q: calculate the pOH

A: Given :- pH of the solution = 6.20  To be calculated :- pOH of the solution

Q: Determine the pH of a 0.889M methylamine, CH3NH2, solution at 25°C. The K, for methylamine is 4.4 x…

A: Methylamine is a weak base which will undergo partial dissociation (degree of dissociation is alpha)…

Q: What is the pH of a solution that is 0.60 M H2SO4 and 1.5 M HCOOH (formic acid)? What is the pH of…

A:

Q: Complete the following table with the needed [H3O+], [OH−], and pH, and classify the solution as…

A: Given: Table  To find : complete the given table Solution: If the pH range is less than 7 then it is…

Q: Suppose a weak acid has Ka = 4.0 x 10^-9. which is equivalent to Kb? and why??

A:

Q: What mass of aluminum hydroxide can be dissolved in a solution whose pH is held at 11.20? (Ksp of…

A: pOH = 14 - pH = 14 - 11.20 = 2.80  -log [OH-]  = pOH                    = 2.80    log [OH-] = -2.80…

Q: 24. Methylamine, CH3NH4 is a weak base that ionizes in solution as shown by the following equation.…

A:

Q: ydrangea plants produce flowers that can be either blue or pink in color. the flowers will be blue…

A: Hydrangea produces flowers during early spring to late autumn. Most of the species have white…

Q: Calculate the percentage of ionize and unionized forms present in the following solution. Assume…

A: Weak acids partially dissociates so there is degree of dissociation alpha.

Q: When a strong base is added to a solution with a pH of 7.5, the pH of the solution will _____. a.…

A: Given statement is : When a strong base is added to a solution with a pH of 7.5, the pH of the…

Q: An aqueous solution at 25°C has a pOH of 6.6. Calculate the pH. Round answer to 1 decimal places

A: From given data,  pOH = 6.6    Also, at 25°C,  pOH + pH = 14..............equation 1

Q: What would be the [H3O+]for a soda found to have a [OH−]of 1.26 × 10−13 mol/L? Is the solution…

A: Given, [OH-] = 1.26 × 10−13 mol/L Using, Kw = [H3O+][OH-]  At 298K, Kw = 1.0×10-14

Q: What volume of a 15.0% by mass NaOH solution, which has a density of 1.116 g/mL, should be used to…

A: Interpretation: The volume of a 15% by mass NaOH solution is to be determined. Given:  Density =…

Q: The pH of a 1.3 M solution of hydrocyanic acid (HCN) is measured to be 4.55. Calculate the acid…

A: The acid dissociation constant (Ka) is a quantitative measurement of the acid strength of the…

Q: The pH of 0.005 M H2SO4. Answer in 3 significant figures

A:

Q: The [α] of pure quinine, an antimalarial drug, is −165. Calculate the ee of a solution with the…

A: Enantiomeric excess gives the idea about the relative amount of one enantiomer in the mixture. It is…

Q: How many grams of KOH are needed to make a 8.50L of solution with a pH of 12.60

A: Molarity can be defined as the moles of solute in per litre of solution. It is represented by a…

Q: Putting 10g of H2SO3 in 95mL of water will give an acid with what concentration

A:

Q: calculate the pHand pOH of a 0.0015MKOH(aq) solution at 25°C?

A: pH= -log[H+]pOH + pH=14pOH= -log(OH-) pH is applied for acid and pOH is applied for base.

Q: Calculate the pH at 25 °C of a 0.72M solution of lidocaine HCI (C4H2,NONH,CI). Note that lidocaine…

A: The value of pKb for the given weak base is = 7.94 The concentration of the base solution is = 0.72…

Q: Calculate the percentage of ionize and unionized forms present in the following solution. Assume…

A:

Q: Complete the table. That is, fill in any missing entries in the second and third columns. Round your…

A: pH is defined as the negative logarithm of concentration of proton. pH=-log[H+] It tells about the…

Q: e laboratory, a general chemistry student measured the pH of a 0. ion of quinoline, C,H;N to be…

A: The question is based on the concept of equilibrium. we have to calculate base dissociation constant…

Q: The hydroxyl group (–OH) is the functional group of alcohols and phenols. The O–H bond is polar with…

A: Hydroxyl group (–OH) is present as the main functional group in alcohols and phenols.

Q: hat volume of 0.834 M KOH solution do you need to make 3.66 L of a solution with a pH of 12.400?…

A:

Q: A detergent solution has a pH of 11.62 at 25°C. What is the hydroxide-ion concentration?…

A:

Q: A)write expressions for pH and pOH of

A: (NH4) 2SO4  it is salt of weak base and strong acid , hence it under go hydrolysis…

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.