A sample of water (200 mL) was titrated by 0.05 M H2SO4. The titration completed when the color changed from pink to color less at consuming 1.25 mL of the acid? Calculate the phenolphthalein alkalinity?     625 mg/L     6.25 mg/L     6250 mg/L     62.5 mg/L

Q: A 25.0 mL sample of 0.100 M NH3(aq) is titrated with 0.100 M HCl(aq). What is the pH at the…

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Q: d) What is the pH of the buffer after 30g of NaOH are added to the solution from part a only need D…

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

Q: A 100.0-mL aliquot of 0.100 M diprotic acid H2A (pK1 = 4.00, pK2 = 8.00) was titrated with 1.00 M…

A: Given: Concentration of H2A = 0.100 M Volume of H2A solution = 100.0 mL = 0.100 L…

Q: Consider the buffer system of ammonia, NH3 and ammonium ion NH4+ (Ka= 5.6 x10^-10)  a) what is the…

A: Value of pH of a solution is used to measure the acidity or basicity of a solution. At room…

Q: You perform a titration on 9.50 mL of an HCl solution of unknown concentration. It requires 93.54 mL…

A: Balanced chemical equation for the reaction 8s as follows: HCl + NaOH -------> NaCl + H2O All the…

Q: hat is the pH of the carbonic acid if 20.00 mL of 0.0500 M H2CO3 is titrated with (a) 0.00 mL; (b)…

A: Here we have to find pH of the solution at different stages when 20 ml of 0.05M H2CO3 is titrated…

Q: What is the pH of a 0.127 M solution of (CH3)2NH when it is titrated with 0.274 M of HCI to the…

A: Given Kb of (CH3)2NH = 5.42 x 10-4

Q: 350-mL buffer solution is 0.500 M in chlorous acid (HClO2, Ka=1.1×10−2) and 0.200 M in sodium…

A: 1- We can used the Henderson equation,  pH = pKa + log( [salt] / [acid] )  pH = -log(Ka) +…

Q: Calculate the concentration of an unknown acid if 17.65 mL of 0.215 M NaOH was needed to reach the…

A: Tricrotic unknown acid reacts with sodium hydroxide to form salt and water. The equation for the…

Q: A titration of 44.0 mL of a sulfuric acid (H₂SO₄) solution of unknown concentration with a…

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Q: Calculate the pH at the following points in a titration of 40 mL (0.040 L) of 0.100 M barbituric…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: 55.00 mL of a solution of 0.1325 M maleic acid is titrated with 0.1000 M NaOH. What Is the pH when…

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Q: A 25.0 mL sample of 1.00 M NH3 is titrated with 0.15 M HCl. What is the pH of the solution after…

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Q: 20.0-mL sample of 0.30 M HClO was titrated with 0.30 M NaOH. The following data were collected…

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Q: Calculate the moles HCl used and Na2CO3 in 5ml of water that has been titrated with 2.17ml of…

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Q: 100 ml of a 0.2 M weak acid solution (Ka=1.0x10-5) is titrated to the equivalence point with 50.0 ml…

A: Given: Concentration of weak acid (Assuming HA) = 0.2 M Volume of HA solution = 100 mL = 0.100 L…

Q: A second titration used 23.0 mL of NaOH solution to neutralize 25.0 mL of 1.013 M HCl. Determine the…

A: Given, volume of NaOH = 23.0 mL Volume of HCl = 25.0 mL Molarity of HCl = 1.013M Let the molarity of…

Q: You are titrating 25.00 ml of 0.100 M HOAc with 0.100 M KOH. What is the pH of the…

A: Here in this question, we firstly find the degree of neutralization f.f = (28.40*0.1)/(25*0.1) =…

Q: Consider NH3 with Kb = 1.8 x 10^-5  a) What is the pH of a buffer solution prepared by adding 13.36…

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

Q: Determine the pOH in the titration of 0.01 L of 200 millimolars H2CO3 by 100 millimolars of sodium…

A: pOH of a solution is calculated using the formula: pOH = - log ( [OH-1]) where [OH-1] is the…

Q: In a titration 23.71 mL of 0.50 M HCl solution is required to completely neutralize 10.00 mL of…

A: Balanced Reaction 3 HCl + Al(OH)3   -->  AlCl3 + 3 H2O So,  hydrochloric acid reacts with…

Q: A 25.0-mL sample of a 0.25 M solution of a weak acid Ka= 3.0 X 10^-6 is titrated with 0.25M NaOH.…

A: The titration reaction takes place as,                                                 HA    + OH-…

Q: You are titrating 25.00 ml of 0.100 M HOAc with 0.100 M KOH. What is the pH of the…

A: Here in this question, we firstly find the degree of neutralization f.f = (28.40*0.1)/(25*0.1) =…

Q: 3) Calculate the pH after titration of 30.00 mL of 0.10 M HOCl solution (ka=2.9x10^-8) with 25.00 mL…

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Q: 50.00 mL of 0.50 M weak monoprotic base aziridine (Kb = 1.1 x10) is being titrated with 0.01 M HCl.…

A: Given values -> Volume of aziridine = 50.00ml Molarity of aziridine = 0.50M Kb = 1.1 × 10^(-6)…

Q: A solution containing 1.66 g of a diprotic acid H₂C₃H₂O₄ (malonic acid) was titrated with 45.5 mL of…

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Q: 100 mL of a 0.1 mM buffer solution made from acetic acid and sodium acetate with pH 5.0 is diluted…

A: The considered 100 millilitres of buffer solution is made from sodium acetate and acetic acid with a…

Q: The titration of 25.00 mL a 0.125 M HClO4 solution required 26.73 mL of KOH to reach the endpoint.…

A: = basicity of an acid = 1  = acidity of a base = 1  = concentration of  = 0.125 M  =…

Q: A 10.00 mL sample of H3PO4 is titrated with 0.100 M Ca(OH)2. The equivalence point is reached after…

A: Equivalent =molarity×volume×n factor  n factor is no of replace H+ ion or OH- ion for acid and base…

Q: 10. The normal pH of the stomach is around 3. A patient takes an antacid which raises the buffered…

A: In the problem the acidity levels of stomach, antacid and naproxen are around 5. so the solubility…

Q: 5. Calculate hydroxide, bicarbonate, and carbonate alkalinities of a water sample with a total…

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Q: Suppose a 200-mL sample of groundwater is titrated with 0.01 N sulfuric acid, with the following…

A: To determine the phenolphthalein alkalinity, total alkalinity, hydroxide alkalinity, carbonate…

Q: A 25.5 mL aliquot of HCl (aq) of unknown concentration was titrated with 0.113 M NaOH (aq). It took…

A: Volume of HCl (V2)           = 25.5 mL Molarity of NaoH(M1)      = 0.113 M  Volume of NaOH (V1)…

Q: In the titration of 100.0 mL of 0.050 M CH3COOH (pKa = 4.74) solution, what will be the pH after…

A: Given,  The titration of 100.0 mL of 0.050 M CH3COOH (pKa = 4.74) with 10.0 mL of a 0.10 M NaOH…

Q: The titration of a 20.0-mL sample of an H₂SO₄ solution of unknown concentration requires 22.87 mL of…

A:

Q: What is the pH of a 0.127 M solution of (CH3)2NH when it is titrated with 0.274 M of HCI to the…

A: At half equivalence point pH of the solution equal to pKa of weak acid  or  pKb of weak base

Q: the titration of 100.0 mL of 0.050 M CH3COOH (pKa = 4.74) solution, what will be the pH after adding…

A:

Q: What volume of a 0.50 M solution of nitric acid is used to neutralize 2.0 L of a hazardous waste…

A: Given : Concentration of nitric acid i.e HNO3 = 0.50 M Volume of hazardous waste = 2.0 L And pH of…

Q: In the titration of 100.0 mL of 0.050 M HClO2 (pKa = 1.96)  solution with a 0.10 M NaOH titrant,…

A: Given: Concentration of HClO2 = 0.050 M Volume of HClO2 solution = 100.0 mL = 0.100 L…

Q: What is the pH of the buffer in your paper pulp if you add 0.581 mM calcium carbonate to pulp that…

A: Handerson HasselBach Equation is used to derive the pH of any solution. It can be determined by…

Q: 10. A detergent labeled "mild" has a pH of 7.80. What is the hydroxide ion concentration in this…

A: 10 .     pH + pOH  =  14              pOH  =  - log [OH-]               [OH-]  =  10-pOH

Q: A diprotic acid has Ka1= 4.3×10^-5 and Ka2= 4.5×10^-7. What will be the pH at the first equivalence…

A: pKa1 = - log Ka1 = - log (4.3 x 10-5) = 4.37 pKa2 = -logKa2 = - log (4.5 x 10-7) = 6.35

Q: What is the pH of the solution when 20.0 mL of 0.155 M of NH3(aq) is titrated with 15.0 mL of 0.225…

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Q: 18 mL 0.10 M HClO (Ka= 3.5x10-8) was titrated with 0.06 M NaOH. Calculate the pH after the addition…

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Q: Calculate the pH for the complete titration of 100.0 mL of 0.122 M hydrazine, H2NNH2, with 0.200 M…

A: In this question, first we will calculate the concentration of salt, which is forming after the…

Q: Consider the buffer system of ammonia, NH3 and ammonium ion NH4+ (Ka= 5.6 x10^-10)  a) what is the…

A: Solution -

Q: Find the saponification # of cod liver oil if a 1.1090 g is saponified with 25 mL of 0.5N alcoholic…

A: Introduction :  Saponification can be defined as a process that involves conversion of fat or oil…

Q: 1] A 50.00 mL aliquot of O.1000 M NaOH is titrated with 0.1000 M HCI. Calculate the pH of the…

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

Q: What is the pH at the equivalence point when 50.0 mL of 0.15 M CH₃COOH is titrated with 0.10 M KOH?…

A:

Q: What is the pH at the half-equivalence point in the titration of 18.9 mL of 0.15 M HClO with 0.18 M…

A: GIVEN: Volume of HOCl= 18.9 ml=0.0189 LMolarity of HOCl= 0.15 M To Solve: pH at half equivalence…

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.