Calculate the value of pK+ , pCl- in a solution containing: 0.024 M KCl and 0.045 M HCl

Q: What are the molar concentrations of acetic acid (CH,COOH) and sodium acetate (CH,COONA) in an…

A: The pH of a buffer is defined by the Henderson Hasselbalch equation: pH = pKa + log [salt] /[acid]…

Q: At 25 °C, only 0.0120 mol of the generic salt AB is soluble in 1.00 L of water. What is the Kp of…

A: In general , a salt of type AxBy which dissociates as,                                AxBy ---->…

Q: What are the molar concentrations of acetic acid (CH, COOH) and sodium acetate (CH, COONa) in an…

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Q: Write the chemical reactions whose equilibrium constants are K, and K, for imidazole (C,H,N,) and…

A: Imidazole (C3H4N2) is a weak base whose conjugate acid is imidazole hydrochloride (C3H4N2H+Cl-).

Q: What is the pH of a buffer solution that is 0.15 M puridine, C6H5N and 0.08 M pyridinium bromide…

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Q: Which of the following combination of solutions will form a buffer solution?            (A)  50.0…

A: Buffer solution: The solution which contains weak acid mixed up with its conjugated acid or a weak…

Q: At 25 °C, only 0.0770 mol of the generic salt AB3 is soluble in 1.00 L of water. What is the ?sp of…

A: AB3(s) ----> A+3(aq) + 3B-(aq)

Q: 15.0 mL of 0.50 M NaOH is added to a 100.-mL sample of 0.487 M NH3 (Kb for NH3 = 1.8 × 10–5). What…

A: Given: Volume of NaOH = 15.0 mLMolarity of NaOH = 0.50 MVolume of NH3 = 100 mLMolarity of NH3 =…

Q: Determine the mass of solid NaCH3COO that must be dissolved in an existing 500.0 mL solution of…

A: Given: Initial concentration of CH3COOH = 0.2 M Volume of solution = 500.0 mL = 0.5 L pH of solution…

Q: 6. What are the equilibrium concentrations of a 0.80 M HCN solution for each species (in M to two…

A: we have to calculate the equilibrium concentration of all species for the HCN solution

Q: One of the factors that can affect the pH of a buffered solution is the molar ratio of the conjugate…

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Q: Consider the titration of 100.0 mL of 0.200 M acetic acid (K a = 1.8 x 10 -5 ) by 0.100 M KOH.…

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Q: 9. To prepare a basic buffer of pH=10 how many grams of NH,Cl would you add to 100 ml of 0.1 M NH¸OH…

A: The Henderson Hasselbalch equation for basic buffer is given as:

Q: It is desired to prepare a buffer solution with a pH equal to 10 with the ethylamine-ethylammonium…

A: To calculate the weight of ethyl ammonium chloride, we have to use the Henderson Hasselbalch…

Q: Calculate the pH of a buffer solution prepared by dissolving 0,48 mole of sodium fluoride (NaF) and…

A: Buffer solution is a type of solution which resist the pH change when small amount of acid or base…

Q: What is the pH change when 28.8 mL of 0.0540 M NaOH is added to 70.1 mL of a buffer solution…

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Q: Determine the pH during the titration of 69.1 mL of 0.366 M benzoic acid (Ka = 6.3×10-5) by 0.366 M…

A: Dear student, we answer three parts of a question in one thread. So, we are answering the first…

Q: in the following reaction:Ca(OH)2(s) + 2H+(aq) 2H2O(1) + Ca2+(aq)if add the. * :drops of [HCI], the…

A: Le Chatelier's principle can be used to predict the behavior of a system due to changes in…

Q: What is the pH of a buffer solution that is 0.214 M in ammonia and 0.390 M in ammonium chloride…

A: First calculate Ka value for ammonia and use it to calculate the pH of the buffer solution.

Q: If you have a ka = 8.25x10^-8, what buffer system will you use? Acetic acid (HC2H302) - Acetate ion…

A: Given: Ka of acid = 8.25 × 10-8

Q: Calculate the pH at the following points in a titration of 40. mL (0.040 L) of 0.145 M…

A: Answer :- Any organic acid is a weak acid .So here 4-chlorobenzoic acid is a weak acid. (a)Before…

Q: Determine the pH during the titration of 57.0 mL of 0.347 M nitrou acid (K₂ = 4.5x10-4) by 0.347 M…

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Q: Select the mixture that is capable of tolerating the addition of a strong acid without altering the…

A: Given mixtures: 1.0 M NH3 and 1.0 M NaCl 1.0 M HCl and 1.0 M NaCl 1.0 M HNO2 and 1.0 M NaNO2 1.0 M…

Q: What is the pH of a buffer solution that is 0.20 M methyl amine, CH3NH2 and 0.18 M methylammonium…

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Q: Solution A contains 0.100 mol L−1 sodium methanoate and 0.126 mol L−1 methanoic acid. What is the…

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Q: What is the pH of a buffer solution that is 0.602 M in hydrofluoric acid and is 0.455 M is potassium…

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Q: What are the molar concentrations of acetic acid (CH,COOH) and sodium acetate (CH,COONA) in an…

A: Henderson–Hasselbalch equation is the equation to relate the pH of the buffer with pKa of a weak…

Q: ACID-BASE EQUILIBRIA Doc Jill wants to determine the A of a weak acid she isolated called…

A: Answer: When a weak acid will be added in water, its partial ionization will take place, due to that…

Q: Calculate the p-value for each ion in a solution that is 2.00 x 10 M in NaCI and 5.4 x 10 M in HCI.

A: Given: 1) Concentration of NaCl=2×10-3 M 2) Concentration of HCl=5.4×10-4 M

Q: Calculate the pH for the titration of 50 mL of 0.1 M HCl with 0.1 M NaOH at 25 °C at the following…

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

Q: or 500.0 mLmL of a buffer solution that is 0.165 M� in CH3CH2NH2CH3CH2NH2 and 0.100 M� in…

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Q: What is the pH of a solution when 100.0 mL of a 0.1M HCN solution (Ka = 6.2 x 10 -10) is titrated…

A: The reaction between HCN and NaOH is as follows: HCN+NaOH→NaCN+H2O Calculation of no. of mol of HCN:…

Q: Doc Jill wants to determine the Ao of a weak acid she isolated called Xcitingpartic acid (HXp). She…

A: Hii there, As there are multiple sub parts posted. we are answering first-three sub parts . If you…

Q: A buffer system is prepared by combining 0.603 moles of ammonium chloride (NH4CI) and 0.713 moles of…

A: Moles of weak base ammonia = 0.713 mole Moles of conjugate acid (NH4+) = 0.603 mol  Moles of HNO3…

Q: At 25°C, a buffer contains 10 mM lactic acid (pKa = 3.86) and 0.1 mM of sodium lactate. What is the…

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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.