Diethylamine, (CH3CH2)2NH, has a Kb of 8.6 x 10-4.  What is the pH of a 0.22 M solution of diethylammonium chloride, [(CH3CH2)2NH2]Cl? Your answer should be to two places past the decimal point. A 0.15 M solution of an unknown monoprotic acid has a pH of 4.88, calculate the Ka for this unknown acid.  You should have two significant figures in your answer and your answer should be in the following format (i.e. 1.0e-3).

Q: Find the pH of a solution 2.0 M in ethylamine CH3CH2NH2. For CH3CH2NH2 Kb=5.6x10-4. Explain step by…

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Q: Calculation of pH (SHOW CALCULATION FROM THE GRAPH IATTACH GRAPHI 2.Find out pH at equivalent to…

A: Plot of pH vs Volume of NaOH added

Q: Sodium phosphate has 3 ionizable groups, with pKa’s of 2.2, 7.2, and 12.3. You have 250 mL of a 200…

A: A solution containing a weak acid and its conjugate base at any proportion forms a buffer. This…

Q: Calculate pH of a solution of a 0.10 M CH3COOH solution? Ka = 1.8 x 10^-5 a. How many grams of…

A: Given: 0.10 M CH3COOH solution To find:  pH of the solution and the mass of CH3COOH used

Q: Determine the ka for each of the different concentrations for Acetic Acid              1.00 M…

A: Given that, (i) Concentration of acetic acid = 1.00 M    pH of the acetic acid solution = 2.65 We…

Q: Find the pH of a solution 0.2 M in C6H5NH3Br. For C6H5NH2 Kb=3.8×10-10. Explain step by step your…

A: pH of Acidic salt will be  always less than 7 . And basic salt always greater than 7.

Q: that is 0.192 M in lactic acid and 0.155 M in sodium lactate? The Kaof lactic acid is 1.4 × 10-4.…

A: Buffer is the solution of mixture of weak acid/weak base with its salt of strong base/strong acid

Q: Acetic acid has a Ka = 1.8 X 10-5.  What is its buffering range?     2-4     4-6     6-8…

A: A buffer is a solution which resist the change in pH and buffering range is the range in which the…

Q: 2. The weak acid hypochlorous acid (HClO) is formed in bleach solutions. If the pH of a 0.12 M…

A: In multiplart questions we solve only three subquestion according to Bartleby Guidelines. pH of any…

Q: 15.0 grams of an unknown acid is dissolved to a final volume of 100.0 ml and measured to have a pH…

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Q: A 0.3654 g portion of pure formic acid (CH2O2, FW=46.03 g/mol, Ka=1.77 x 10-4) is dissolved in 50.00…

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Q: Calculate the solubility of PbI2  (Ksp = 1.5 x 10-8) in moles per liter.

A: We'll answer first question as question to be answered is not specific. Please resubmit the question…

Q: Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C6H5CO2H) and 0.15M sodium…

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Q: Calculate the Kb values for the CO32- and C2H3O2- ions using the Ka values for HCO3- (4.7 x 10-11)…

A: We have to find Kb values for the CO32- and C2H3O2- ions using the Ka values for HCO3- (4.7 x 10-11)…

Q: An analytical chemist is titrating 220.7 mL of a 0.3400M solution of trimethylamine ((CH,) N) with a…

A: Concept:  pH of acidic solution: The pH of an acidic solution can be calculated by using the…

Q: Write the Henderson-Hasselbalch equation for a propanoic acid solution (CH,CH, CO,H, pKa = 4.874).…

A: The given pKa value for a propanoic acid solution is 4.874. Henderson-Hasselblach equation is given,…

Q: What mass of sodium glycolate (NaC2H3O3) should be added to 400.0 mL of 1.00 M glycolic acid to…

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Q: What is the pH of a buffer solution that is 0.50 M in formic acid (HCHO2) and 1.0 M in sodium…

A: The given problem can be solved by using Henderson-Hasselbalch equation given below as; pH=pKa + log…

Q: Which of the following is correct concerning the base ionization constant, Kp, of dimethylamine,…

A: Ionization of amine is water.

Q: Using the table of the weak base below, you have chosen Pyridine as your weak base in the buffer…

A: Given,Weak base in the buffer solution : PyridineConcentration of the salt solution = 0.62 MThe…

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: Write the Henderson–Hasselbalch equation for a solution of propanoic acid (CH, CH,CO,H, pKa = 4.874)…

A: In this question, a solution of propanoic acid is given whose pKa value is given. The pH value…

Q: Pure water is neutral in pH or has a pH value of exactly 7.00. How does the pH of pure water vary…

A: The pH of boiling water is 6.4 , when water is boiled, the rate of forwardionization increases. So…

Q: What is the pH of a solution containing 0.30 M CH₃COONa and 0.10 M CH₃COOH? The Ka of CH₃COOH is 1.8…

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Q: What is the pH of a buffer solution that is 0.26 M chloroacetic acid and 0.17 M sodium…

A: Since chloroacetic acid is a weak monoprotic acid.

Q: Calculate the pH and Ka for HC₂H3O2 if in a 1.0000 M solution of HC₂H3O2 in water there is 0.99600 M…

A: pH :-  The negative logarithm to the base 10 of hydronium ion concentration , [H3O+] expressed in…

Q: What is the pH of the solution that is prepared by dissolving 0.844 g of lactic acid (90.08 g/mol,…

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Q: how many liters of 0.54 monoprotic acid should be added to 685000 L of water with ph 7 to reach ph…

A: Given the desired pH of the acid solution with water = 5.2 Frist we have to find the [H+(aq)] from…

Q: Calculate the pH of each of the following buffered solutions: Ka(HC2H3O2) = 1.8 x 10-5 0.13 M…

A: Acetic acid is a weak monoprotic acid. And since the pH of monoprotic acid buffer is given by…

Q: The Ka of CH3COOH is 1.8 x 10-5. Calculate the pH of a solution containing both 0.20 M CH3COOH and…

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Q: Oleic acid (which can be denoted as HOL), is a weak acid. Considering its sodium salt, sodium oleate…

A:

Q: A.) Calculate the pH of a 0.322 M aqueous solution of acetylsalicylic acid (aspirin) (HC9H7O4, Ka =…

A: A:  pH = 2.01   B:  pH = 2.69

Q: 41-50. C. BUFFER SOLUTION A buffer solution is prepared by dissolving 0.012 moles of benzoic,…

A:

Q: When a solution of leucine (an amino acid) in water is titrated with a strong base, the pH before…

A: given, at midpoint pH = 2.86   at mid point of titration, pH = pka = 2.86 thus, ka = 10-pka =…

Q: A physician wishes to prepare a buffer solution at pH = 3.82 that efficiently resists changes in pH…

A: Given, that a physician wishes to prepare a buffer solution at pH=3.82 that efficiently resists…

Q: Chloroacetic acid (chemical formula ClCH2CH2COOH) is a weak acid with Ka = 6.3 x 10-5. Calculate the…

A: Calculate the pKa of the weak acid.

Q: A 0.0250 M Ca(X)2 has a pH of 8.049. Ca(X)2 is composed of a Ca2+ cation and an unknown anion X-,…

A: Given,  Molarity of Ca(X)2 = 0.0250 M. and it has pH = 8.049. The Kb or Kh of X- is:

Q: Using the table of the weak base below, you have chosen Ethylamine as your weak base in the buffer…

A: Given: pH of buffer solution = 10.1

Q: Histidine has ionizable groups with pKa values of 1.8, 6.0, and 9.2, as shown below (His = imidazole…

A: The three pKa values shows that there are 3 replaceable hydrogens in the molecule(represented as…

Q: . The acetate buffer contains 0.200 M acetic acid and 0.0500 M sodium acetate. Given that the Ka of…

A: PH of buffer solution is calculated by using Henderson Hasselbalch equation

Q: CICH2 CO2 H HNO C2H2CINA O 1.80mol of monochloroacetic acid 0.80 mol of Nitric acid, 0.80 mol of…

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Q: Calculate the pH of a 0.38 M weak acid HA solution at 25°C. Ka = 1.6 x 10-6

A: Solution : pH -  pH is used to measure how acidic or how basic the given compound pH + pOH =14 Weak…

Q: A 25.0cm3 sample of a 0.1 mol/dm3 solution of ethanoic acid (ka = 1.8 x 105) was titrated with 0.1…

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Q: A monoprotic weak acid (HA) has a pKa value of 4.896. Calculate the fraction of HA in each of its…

A: The solution is given below -

Q: 1. For each of the solutions in part 3, calculate an expected pH. The Ka for HC₂H3O2 is: 1.8 x 10⁹…

A: #1: Given Ka of HC2H3O2 = 1.8*10-5  Ka of NH3 = 1.76*10-5

Q: For equal concentrations of acids such as hydrofluoric acid, acetic acid, and benzoic acid, does the…

A: Ka is the dissociation constant of an acid. For example, the dissociation of HCl can be written as…

Q: calculate the ph of a 0.465 M solUTION OF ethylamine CH3CH2NH2 and 0.211 M ethylammonium bromide…

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Q: Indicate using true or false for each of the following statements: 7. The pH of a solution…

A: The pKb of ephedrine is calculated by using the formula pKb = -log [Kb]. The pKb of ephedrine is…

Q: Which of the following buffer solutions containing CH3COONa and CH3COOH would have a pH of 4.88? Ka…

A: The value of pKa for acetic acid is calculated as follows:

Q: Calculate the pH of 0.65 M of a weak acid HA with Ka = 2.56 x 10 -6.      5.59     2.89…

A:

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.