Question 17 Calculate the change in pH when 57.0 mL of a 0.520 M  solution of NaOH is added to 1.00 L of a solution that is 1.00 M  in sodium acetate and 1.00 M  in acetic acid.

Q: Calculate the pH when 69.0 mL of 0.250 M HCI is mixed with 40.0 mL of 0.150 M Ca(OH)2.

A: pH = -log[H+] pOH = -log[OH-] pH + pOH = 14 2HCl + Ca(OH)2  ------>  CaCl2 +  H2O So, 1 mmol of…

Q: Calculate the pH of 50.00 ml distilled water after the addition of 4.00 ml 0.10 M HCl. 2. Calculate…

A: Given the volume of distilled water = 50.00 mL Volume of 0.10 M HCl added = 4.00 mL * (1L/1000 mL) =…

Q: QUESTION 14 Of the following solutions, whích has the greatest buffering capacity? They are all…

A: IMPORTANT POINTS   It is the case of basic buffer.   Buffer capacity is calculated  as change…

Q: How many g of sodium formate should be added to 250 ml of 0.2 M hydrochloric acid solution to obtain…

A: Given,  Volume of HCl = 250 mL  Molarity of HCl = 0.2 M  pH = 4.3  Mass of sodium formate in g = ?

Q: What is the ph of the solution that results when 25.0 ml of 0.125 M NaOH is added to 25.0 mL of…

A: I assume that you meant the 0.250 M HClThe balanced equation for the given reaction is,

Q: A students mistakenly titrates 25.0 mL of a 0.20 M H2SO4 solution, with 62.0 mL of a 0.15 M NaOH…

A:

Q: Which of the following mixtures would result in a buffered solution when 1.0 L of each of the two…

A: Buffer is a solution that resist the change in pH upon addition of small amount of acid or base.

Q: A 36.0 ml. sample of a 0.446 M aqueous hypochlorous acid solution is titrated with a 0.205 M aqueous…

A:

Q: What is the pH in the titration of 50 ml of a 0.150 M solution of KOH with 0.00 ml of 0.150 M HBr?

A: Volume of KOH=50 mL  Concentration of KOH=0.150 M  Volume of HBr=0mL Concentration of HBr=0.150M

Q: Question 10 Which of the following statements about buffered solu- tions are true? Select all that…

A: Buffer solution: A buffer solutions is an aqueous solution consisting of a mixture of a weak base…

Q: When 42.6 mL of 0.100 M Ba(OH)2 is mixed with 98.6 mL of 0.200 M HCI, the reaction goes to…

A: A numerical problem based on pH concept, which is to be accomplished.

Q: Calculate the pH of the following solution assuming ideal (2 sig. figures): 51.4 mL of 0.15 M…

A:

Q: A drop of phenolphthalein is added to a solution of 1.0 M H2SO4 with a volume of 10.0 mL. The…

A: phenolphthalein is an acid base indicator which is colorless in acidic medium and pink in basic…

Q: Calculate the pH when 10.0 mL of 0.150 M HNO₃ is mixed with 40.0 mL of 0.250 M LiOH.

A: Interpretation -  To calculate the pH of 10mL of 0.150 M HNO₃ is mixed with 40.0 mL of 0.250 M LiOH.…

Q: Calculate the pH after adding of 20.0 mL of 0.10 M NAOH to 20.0 mL of 0.10 M HNO3 N2OH + HNO, NaNO,…

A: Titration is a laboratory quantitative technique in chemistry that is used to determine the…

Q: If a buffer solution is made from 300.0 mL of 2.2 M pyridine salt mixed with 350.0 mL of 2.0 M…

A: Buffer solution pH is determined using Henderson–Hasselbalch equation. Which relates salt…

Q: Titrate in 26 ml of 2.2 M NaOH into 1200 ml of .5M HCO2H, what will the pH?

A:

Q: Calculate the pH when 55.0 mL of 0.150 M HNO₃ is mixed with 40.0 mL of 0.250 M LiOH.

A: c=n/v n=c×v PoH =-log(OH-) PH+ + PoH= 14

Q: Calculate the pH when 64.0 mL of 0.250 M HCl is mixed with 40.0 mL of 0.150 M Ca(OH)₂.

A:

Q: Calculate the pH when 60.0 mL of 0.150 M HNO₃ is mixed with 40.0 mL of 0.250 M LiOH.

A: Applying concept of PH. MV= M2V2 -M1V1

Q: Calculate the pH when 148.5 mL of 0.200 M HBr is mixed with 30.0 mL of 0.400 M CH₃NH₂ (Kb = 4.4 ×…

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Q: Calculate the pH when 138.5 mL of 0.200 M HBr is mixed with 30.0 mL of 0.400 M CH₃NH₂ (Kb = 4.4 ×…

A:

Q: When a 20.6 mL sample of a 0.394 M aqueous hypochlorous acid solution is titrated with a 0.328 M…

A: volume of HClO = 20.6 mL = 0.0206 L  Molarity of HClO = 0.394 M Molarity of  NaOH = 0.328 M For…

Q: How many moles of NH4Cl must be added to 2.0 L of 0.10 m NH3 to form a buffer solution with a pH of…

A: Formula used :-  . pOH = pKb + log[salt]/[base] . pH + pOH = 14

Q: What is the pH in the titration of 50 ml of a 0.150 M solution of KOH with 15 ml of 0.150 M HBr?

A: Given  Volume of KOH = 50 ml = 0.050L Molarity of KOH = 0.150 M Volume of HBr = 15 ml = 0.015 L…

Q: 5) Calculate the pH when 40.00 mL of 1.000 x 10' M HF, is titrated (aq)" with 20.00 mL of 1.150 x…

A:

Q: Calculate the pH when 60.0 mL of 0.150 M HNO, is mixed with 40.0 mL of 0.250 M LIOH. 3.

A: HNO3 + LiOH  = H2O + LiNO3GIVENNumber of mmol HNO3 present initially=(60mL)×(0.150M) = 9mmolLiOH…

Q: If we combine 40.0 mL of a 0.100 M HNO3 solution with 60.0 mL of a 0.100 M ethylamine solution, what…

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Q: Assume 125.0 mL of the solution prepared above was put into a beaker and 82 mg of NaOH was added to…

A:

Q: A 1.50 L solution initially contains 0.100 M HClO2 and 0.150 M NaClO2. What is the pH of the…

A: Given information: V = 1.50 L 0.100 M HClO2 0.150 M NaClO2 0.0500 moles of KOH(s) Ka for HClO2 is…

Q: Adding as little as 0.1 mL of concentrated HCl to a liter of H2O shifts the pH from 7.0 to 3.0.…

A: Given: Adding as little as 0.1 mL of concentrated HCl to a litre of H2O shifts the pH from 7.0 to…

Q: There are 250 ml of a Buffer solution, where the concentration is 0.225 M of acetate of sodium and…

A: Buffer solution is a mixture of weak acid and it's conjugate base or a weak base with its conjugate…

Q: Calculate the pH when 62.0 mL of 0.250 M HCI is mixed with 40.0 mL of 0.150 M Ca(OH)2.

A: Given that : The volume of HCl = 62.0 mL The molarity of HCl = 0.250 M The volume of Ca(OH)2 = 40.0…

Q: Calculate the pH when 77.0 mL of 0.250 M HCI is mixed with 40.0 mL of 0.150 M Ca(OH):.

A:

Q: The following buffered solutions were prepared. To 50.00 ml of the following buffered solutions,…

A: Given  4ml of NaOH was added to 50 ml of Buffer  We have to determine buffer capacity for the given…

Q: when 100 ml of a .01 M Mg(OH)2 solution is mixed with 100 mL of a .01 M HCl solution, what is the pH…

A: Since both acids and base are strong  hence they will react to form water as shown below Mg(OH)2 + 2…

Q: alculate the pH of the resulting solution when 350.0 mL of .400 M HCl is mixed with 35.0 NaOH.

A:

Q: Ca(OH),. 2. How many mL of 0.10 M H,SO, can be made from 50.0 mL of 0.25 MH,SO,? 4 3. If 0.3041 g of…

A: Since we only answer one question at a time, we’ll answer the first one. Please resubmit the…

Q: Calculate [OH⁻] in a solution obtained by adding 1.10 g solid KOH to 1.00 L of 10.0 M NH₃. (Kb of…

A: Given data,Mass of KOH=1.10gMolarity of NH3=10.0MVolume of solution=1.0LKb=1.80×10-5

Q: Calculate the pH when 75.0 mL of 0.250 M HCl is mixed with 40.0 mL of 0.150 M Ca(OH)₂

A: According to the question, we need to calculate the pH when 75.0 mL of 0.250 M HCl is mixed with…

Q: When a 22.9 ml. sample of a 0.338 M aqueous hypochlorous acid solution is titrated with a 0.367 M…

A:

Q: A solution is prepared by mixing 80 mL of 0.2 M KH2PO4 and 120 mL of 0.2 M K2HPO4 . What is its pH?

A: Moles of KH2PO4 ( acid), = 0.2 M × 0.08 L = 0.016 mol   Moles of K2HPO4 (base), = 0.2 M × 0.120 L =…

Q: How does a buffer solution prevent larger change in pH? What does it mean when a solution has…

A:

Q: A mixture of a 25.0-mL 0.100 M HCl solution and a 15.0-mL 0.250 M NaOH solution was used. The…

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Q: A solution was prepared by mixing 50.0 mL of 0.10 M HCl and 25.0 mL of 0.25 M NaOH. What is the pH…

A:

Q: Write the balanced NET IONIC equation for the reaction that occurs when nitric acid and sodium…

A: The chemical equations should be balanced in accordance with the law of conservation of mass. This…

Q: 125 mL of 0.3 M HC1 was mixed with 320 mL of 0.15 M NaF. What is the pH of the solution after…

A: Given data : Concentration of HCl = 0.3 M Volume of HCl = 125 mL Concentration of NaF = 0.15 M…

Q: Calculate the resulting pH when 1.00L of 1.00M H2SO4 is added to a tank containing 1.00*107 L of…

A: From the molarity: M: molarity in mole/Litre. n: number of moles. V: volume in Litre.

Q: calculate the pH of the solution obtained by titrating 100 ml of 0.1 M CH3COOH solution with 10 ml…

A: The number of millimoles of CH3COOH can be calculated as: Millimoles of CH3COOH=Molarity×Volumein…

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.