Answered: What volume of 1.35 M HCI must be added…

What volume of 1.35 M HCI must be added to 0.264 L of 0.213 M dimethylamine to produce a buffer with a pH of 10.43? Dimethylamine (CH3)2NH has a Kb value of 5.89 × 10-4, and a pк value of 3.23

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: A buffer contains 0.175 moles C2H5NH3NO3 and 0.225 moles C2H5NH2 in 800.0 mL water. Kb (C2H5NH2) =…

A: pH of a buffer solution is calculated from Henderson Equation. If HCl is added to a buffer system pH…

Q: What volume of 1.24 M HCl must be added to 0.311 L of 0.213 M dimethylamine to produce a buffer with…

Q: What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 x 104) and 0.200 mol of NaF to…

A: The question is based on the concept of buffer. we have to calculate pH of the buffer after adding…

Q: A buffer with a pH of 4.54 contains 0.39 M of sodium benzoate and 0.18 M of benzoic acid. What is…

Q: What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 × 10⁻⁴) and 0.200 mol of NaF to…

A: By Henderson Hasselbalch equation, pH of a buffer = pKa + log [salt] /[acid] Here, acid is HF and…

Q: What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 × 10-4) and 0.200 mol of NaF…

Q: What quantity in moles of CH3NH3CI need to be added to 200.0 mL of a 0.500 M solution of CH3NH₂ (Kb…

A: To calculate the number of moles of salt needed to prepare a buffer of given pH

Q: A buffer with a pH of 4.65 contains 0.39 M of sodium benzoate and 0.14 M of benzoic acid. What is…

A: Given, pH of buffer = 4.65 [C6H5COONa] = 0.39 M [C6H5COOH] = 0.14 M Volume of buffer = 1.4 L…

Q: 15.0 mL of a buffer is made by mixing 10.0 mL of 0.10 M HF and 5.0 mL of 0.10 M NaOH solution. What…

A: Answer:- This question is answered by using the simple concept of calculation of pH of buffer…

Q: A beaker with 2.00×102 mLmL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop.…

Q: A 1.00 L solution contains 17.52 g of nitrous acid, HNO₂. What mass of sodium nitrite, NaNO2, should…

Q: What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 × 10⁻⁴) and 0.200 mol of NaF to…

A: HF + NaOH -----> NaF + H2O Given 0.3 mol 0.040 mol…

Q: Describe the preparation of 5 L of 0.3 M acetate buffer, pH = 4.47, starting from a 2 M solution of…

A: The objective of the question is to analyse the preparation of the buffered solution.

Q: How many grams of solid ammonium chloride should be added to 0.500 L of a 5.30×10-2 M ammonia…

A: This problem can be solved by using Handersen-Hasselbalch equation for weak base.

Q: How many grams of solid sodium hypochlorite should be added to 1.50 L of a 0.185 M hypochlorous acid…

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

Q: How many grams of solid sodium fluoride should be added to 2.00 L of a 0.175 M hydrofluoric acid…

A: Given - Volume= 2.00L Concentration of hydrofluoric= 0.175M pH=2.271 Ka(HF)=7.20×10-4 Mass=?

Q: pH 3.15 [H;O*] [OH] Acidic, basic or neutral Calculations:

A: Given:

Q: How many grams of solid sodium cyanide should be added to 1.50 L of 0.172 M hydrocyanic acid…

A: The given data contains, Volume of HCN =1.50 LMolarity of HCN =0.172 MpH =8.570

Q: What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 × 104) and 0.200 mol of NaF to…

Q: What mass of ammonium chloride should be added to 2.45 L of a 0.150 M NH3 to obtain a buffer with a…

A: The given buffer solution is a mixture of weak base NH3 and its conjugate acid ammonium chloride…

Q: A buffer contains 0.175 moles C2H5NH3NO3 and 0.225 moles C2H5NH2 in 800.0 mL water. Kb (C2H5NH2) =…

A: The pOH of a basic buffer solution can be expressed as: pOH = pKb + logC2H5NH3NO3C2H5NH2pOH = pKb…

Q: A buffer with a pH of 3.903.90 contains 0.150.15 M of sodium benzoate and 0.300.30 M of benzoic…

Q: Calculate the [H3O+] of 114.48 mL of a buffer initially consisting of 0.1320 M NH2OH and 0.1429 M…

A: The question is based on the concept of buffer solution. A buffer is a solution which resist any…

Q: What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 × 10-4) and 0.200 mol of NaF to…

Q: What mass in grams of potassium fluoride is needed to make 150.0 mL of a 0.450 M hydrofluoric…

A: Given the pH of the buffer = 4.25 Given the total molarity of HF/KF buffer, C = 0.450 M Total…

Q: You are asked to prepare a buffer with a pH = 3.00. Starting with 1.25 L of 0.80 M HF, how many…

Q: U ☐ x10 A chemistry graduate student is given 300. mL of a 0.10M chloroacetic acid (HCH2CICO₂)…

A: Finally, we convert moles to grams. The molar mass of NaCH2ClCO2 (sodium chloroacetate) is…

Q: What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 x 10*) and 0.200 mol of NaF to…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: An acetate buffer is prepared with equal volumes of 0.10 M acetic acid and 0.10 M sodium acetate…

A: Given equal volumes of 0.10 M cetic acid and 0.10 M sodium acetate.The concentration of NaOH = 0.10…

Q: What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 × 10⁻⁴) and 0.200 mol of NaF to…

A: Given: Volume of buffer solution = 1.0 L Moles of HF = 0.300 mol Moles of NaF = 0.200 mol Moles of…

Q: How many grams of solid potassium nitrite should be added to 1.00 L of a 0.221 M nitrous acid…

A: Using Henderson hasselbalch equation, we have: For acidic buffer: pH = pKa + log[salt]/[acid]

Q: If you have 0.20 M acetic acid and 0.20 M sodium acetate, how can you make a buffer with pH about…

Q: What quantity in moles of HCI need to be added to 200.0 mL of a 0.200 M solution of NaF to make a…

A: moles of HCl added to prepare the buffer solution

Q: What is the pH (answer in 2 decimals) of a solution containing 0.050 M sodium formate (NaCOOH) and…

Q: What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 × 10⁻⁴) and 0.200 mol of NaF to…

A: Given-> Volume of buffer = 1.0 L Moles of HF = 0.300 mole Moles of NaF = 0.200 mole Moles of HCl…

Q: What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 × 10⁻⁴) and 0.200 mol of NaF to…

A: Mole of NaOH = 0.07 Mol Mole of HF = 0.3 Mol Mol of NaF = 0.2 Mol

Q: What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 × 10⁻⁴) and 0.200 mol of NaF to…

A: In this question we have to tell the PH of the buffer solution after adding 0.04 mol of HCl.

Q: What is the pOH of a buffer that consists of 0.275 M methylamine CH3NH2 and 0.461 M methylammonium…

A: Concentration of methylamine [CH3NH2 ] = 0.275 M Concentration of methylammonium chloride [CH3NH3Cl…

Q: What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 × 10⁻⁴) and 0.200 mol of NaF to…

Question

What volume of 1.35 M HCI must be added to 0.264 L of 0.213 M
dimethylamine to produce a buffer with a pH of 10.43? Dimethylamine
(CH3)2NH has a Kb value of 5.89 × 10-4, and a pк value of 3.23

AI-Generated Solution

AI-generated content may present inaccurate or offensive content that does not represent bartleby’s views.

Unlock instant AI solutions

Tap the button
to generate a solution

Click the button to generate
a solution

SEE SOLUTION

Similar questions

What is the pH of a buffer that is 0.76 M in HF and 0.98 M in NaF? Ka = 7.1 x 10-4
How many grams of solid ammonium chloride should be added to 0.500 L of a 0.190 M ammonia solution to prepare a buffer with a pH of 9.850? Mass= g
How many grams of solid calcium acetate, Ca(C₂H₃O₂)₂ must be added to 500.0 ml of 0.340M acetic acid in order to form a buffer with a pH = 4.85? pKa of acetic acid = 4.75
What quantity in moles of HCl need to be added to 200.0 mL of a 0.200 M solution of NaF to make a buffer with a pH of 3.60? (Ka for HF is 6.8 × 10-4)
How many grams of solid ammonium chloride should be added to 2.00 L of a 7.26×10-2 M ammonia solution to prepare a buffer with a pH of 8.710 ? grams ammonium chloride = g
How many grams of solid calcium acetate, Ca(C₂H₃O₂)₂ must be added to 500.0 ml of 0.340M acetic acid in order to form a buffer with a pH = 4.85?
Calculate how much (mL) of 0.150 M HCl must be added to a liter of bufffer that is 1.5 M acetic acid and 0.75 M in sodium acetate to result in a buffer pH of 4.10. Ka = 1.8 x 10-5
How many grams of sodium hypochlorite, NaCIO, need to be added to 227 mL of a 0.185 M solution of hypochlorous acid, HCIO, to get a buffer with a pH of 7.92? The Ką for hypochlorous acid is 2.9 × 10-8.