If 25.0 ml of 0.10 M NH3 (K, = 1.8 x 10 5) is used to titrate 0.027 L of 0.47 M HCI, the pH is: Your Answer:

Q: 2. When 40.00 mL of a 0.1107 M of formic acid (HCOOH) is titrated with 18.22 mL of 0.1218 M NaOH,…

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Q: 100.0mL of a 0.050M HNO2 solution is titrated with a 0.10M NaOH solution. How many mL of NaOH would…

A: Let the volume of NaOH = V mL pH = 3.39 Molarity of HNO2 = 0.050M Molarity of NaOH = 0.10 M

Q: In a titration experiment, 50mL of HCI was needed to completely neutralize 20mL of 0.25 M NaOH.…

A: Given :- Molarity of NaOH solution = 0.25 M Volume of NaOH solution = 20 mL Volume of HCl solution =…

Q: onsider the titration of 20.00 mL of 0.350 M HF with 0.700 M NaOH, and answer the following…

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Q: Caffeine (C8H10N4O2) is a neutral weak base and has a Kb= 4.1 x 10^-4. If you dissolve 85 mg in 5.00…

A: Given: Kb of Caffeine (Assuming B) is 4.1 × 10-4. Mass of B used = 85 mg = 0.085 g…

Q: A few mL of 0.800M HCl are added to 20mL of 0.800. NaC2H3O2. Will the initial pH of the 0.800M…

A: pH is used to determine the concentration of hydronium ion. pH for acid is less than 7. pH for base…

Q: If a buffer solution is 0.240 M in a weak base (Kp = 5.5 x 10-) and 0.510 M in its conjugate acid,…

A: Henderson Hasselbalch equation is given by, pOH = pKb+log[conjugate acid][weak base] pKb is the…

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…

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Q: How many ml of 0.5 M HCl must be added to 100.0 ml of a 0.2 M Imidazole (C3H4N2 ; Kb=6.3x10-8)…

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Q: Salicylic acid is used in the synthesis of acetylsalicylic acid, or aspirin. One gram dissolves in…

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Q: Question attached

A: Buffer solution: Buffer solution is the solution which can resist the change in its pH. It is made…

Q: t is the pH of a 0. M solutI 350 M solution of NaOH is added? The K, of HA is 4.3 x 10-4.

A: We have to tell which option is correct from given choices of options by telling what is the pH of…

Q: A solution is prepared by adding 31.56 grams of NaCN and 22.30 grams HCN to 600.0mL of water. i.…

A: First Calculate mole of each NaCN and HCN by dividing Molar mass to mass. Use Acidic buffer equation…

Q: In the laboratory, a general chemistry student measured the pH of a 0.453 M aqueous solution of…

A: pH = 12.155 Therefore, pOH = 14 – 12.155 pOH  = 1.845 So,as we know that ;  [OH¯] = 10¯pOH =…

Q: 40 ml of 0.1M H,PO, are required to titrate 150 ml of NaOH to the equivalence point. What is the M…

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Q: You have 500mL of a solution 0.3 M acetic acid (Ka= 1.74x10^-5 M). The pH of the solution before and…

A: We have to calculate the pH after addition of base.

Q: In a titration of 71.0 mL of a 0.750 M solution of a triprotic acid H,C H,O, (citric acid) with…

A: The solution is given below -

Q: If a buffer solution is 0.160 M in a weak acid (Ka = 2.1 × 10-5) and 0.580 M in its conjugate base,…

A: The question is about calculating the pH of a buffer solution with the given data -

Q: 2) What is the pH for a 400 ml solution of 1.6 M Benzoic Acid if you added 175 grams of conjugate…

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Q: In the laboratory a student measures the percent ionization of a 0.532 M solution of benzoic acid,…

A: Given: Initial concentration of benzoic acid = 0.532 M percent ionization = 1.05 %

Q: 4. If you added 35 ml of 1.5 M NaOH to a solution of 3.5M 1650 ml of Acetic Acid, what would the pH…

A: First part of the answer is explained below.

Q: If a buffer solution is 0.200 M in a weak base (Kb=7.4×10−5) and 0.450 M in its conjugate acid, what…

A: Calculate the pOH value of the given buffer solution,            pKb = - log Kb = -log (7.4 × 10-5)…

Q: If a buffer solution is 0.290 M in a weak base (K, = 1.4 × 10-5) and 0.580 M in its conjugate acid,…

A: pH of the buffer solution is determined by the Henderson-Hasselbalch equation as shown below: pH =…

Q: What is the pH after 15.0 mL of 0.200 M HCl has been added to 100.0 mL of a buffer solution, X, with…

A: Given that,  Concentration of 100 mL weak base X solution = 0.70 M Moles of X in 100 mL buffer =…

Q: If a buffer solution is 0.200M in a weak acid (?a=9.0×10−5)and 0.550M in its conjugate base, what is…

A: Ka = 9.0 x 10-5  pKa = -log Ka = - log ( 9.0 x 10-5)  pKa = 4.046 [Acid] = 0.200 M  [Conjugate base]…

Q: If a buffer solution is 0.290M in a weak acid (K = 7.2 x 10) and 0.600 M in its conjugate base, what…

A: By using this formula we can calculate the pH of solution .

Q: If 5.00 mL of 0.500 M NaOH are added to 10.00 mL of 0.300 M HCl, what is the final pH?

A: pH is used to measure the concentration of hydronium ion.  The expression for the calculation of pH…

Q: In a titration of 32.0 mL of a 0.250 M solution of a triprotic acid H,PO, (phosphoric acid) with…

A: Given- Volume of  H3PO4 =32.0 mL  Concentration of H3PO4 =0.250M Concentration of NaOH=0.800 M

Q: If a buffer solution is 0.140 M in a weak base (Kb= 1.8*10^-5) and 0.590 M in its conjugate acid,…

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Q: What volume of 6.0M HCl would you need to add to a 800ml of 0.1M NaAc to give a final pH =4.30? The…

A: Volume of HCl required = V ml  mmoles of HCl added  = 6V  Volume of NaAc (CH3COONa) = 800 ml  mmoles…

Q: (0.1mol) of NaoH was added to 1L of a solution containing a weak acid and its base salt had the same…

A: Answer: Solution weak acid and its basic salt is a buffer solution whose pH is calculated by…

Q: A solution is made by mixing 50.0 mL of a stock solution of 2.0 M K2HPO4 and 25.0 mL of a stock…

A: Buffer solutions: are defined as the aqueous solution which contains the mixture of the weak acid…

Q: Addition of phenolphthalein to an unknown colorless solution does not cause a color change. The…

A: Phenolphthalein and bromothymol blue are pH indicator. They ae widely used in titrations and testing…

Q: To a 50 mL of 0.1 M HCL solution, 10 mL of 0.1 M NaOH is added and the resulting solution is diluted…

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Q: If a buffer solution is 0.280 M in a weak acid (?a=1.6×10−5) and 0.510 M in its conjugate base, what…

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Q: A solution is prepared that is initially 0.17 M in trimethylamine ((CH,),N), a weak base, and 0.20 M…

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Q: Bider the litrahion of 100.6 ml of 0.200 M acetic acid (K, = 1.8 x 10) by 0.100 M KOH. Calculate the…

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Q: In titrating 40.0 mL of 0.10 M of HCI solution with 0.15 M of KOH solution, what would be the pH of…

A: Answer :- pH = 2.44…

Q: In the laboratory, a general chemistry student measured the pH of a 0.558 M aqueous solution of…

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Q: What is the pH of the solution that results from adding 24.7 mL of 0.11 M HCl to 25.2 mL of 0.41 M…

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Q: . What is the pH of the solution when 25 mL of 0.1 M HCl is titrated with 28 mL of 0.09M NaOH, pH =

A: pH can be calculated as follows

Q: In the laboratory, a general chemistry student measured the pH of a 0.446 M aqueous solution of…

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Q: When 15.00 mL of 0.0500 M HBr is added to 7.50 mL of 0.100 M LIOH, what is the pH of the resulting…

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Q: 1. A chemist, , wishes to prepare 100.0 mL of a buffer of pH 10.0000 using the base methyl amine,…

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Q: In the titration of 100.0 mL of 0.050 M HCl solution, what will be the pH after adding 30.0 of a…

A: Molarity = number of moles/volume (L)  So, moles = molarity × volume (L)  pH = -log[H+]

Q: 3. A solution with a pH of 2.91 is prepared by dissolving 1 g. of benzoic acid, HC,H,O,2, a weak…

A: 3) Given, pH of a solution = 2.91 Mass of benzoic acid (HC7H5O2) = 1 g Note: 1000 mL = 1 L Volume of…

Q: You combine 50.0 mL of 0.500 M NaOH with 75.0 mL of H2S04 with a Molarity of 0.19598. What is the…

A: Given : volume of NaOH solution used = 50.0 mL = 0.050 L…

Q: In the laboratory, a general chemistry student measured the pH of a 0.528 M aqueous solution of…

A: Isoquinoline is a weak base pOH = 14 - pH pOH = -log [OH-] For a weak base: [OH-] = (Kb x C)1/2…

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.