Two aliquot of a water sample is titrated against a strong acid using phenolphthalein and bromocresol green indicator. The volume for the bromocresol green endpoint is 13.5 mL and there was no apparent phenolphthalein endpoint, what is/are the probable source of alkalinity  A. OH⁻ and CO₃²⁻ B. CO₃²⁻ C. OH⁻ D. HCO₃⁻

Q: An analytical chemist is titrating 94.8 mL of a 0.4000M solution of nitrous acid (HNO,) with a…

A: Given : Volume of HNO2 solution = 94.8 mL = 0.0948 L                                      (since 1 L…

Q: Two aliquot of a water sample is titrated against a strong acid using phenolphthalein and…

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Q: If 25.0 mL of 0.451 M NaOH solution is titrated with 0.253 M H2SO4, the flask at the endpoint will…

A: The titration of NaOH by H2SO4 in presence of indicator phenolphthalein is a neutralization reaction…

Q: The following information is for questions 1 and 2. Consider the titration of 25.0 mL of 0.100 MHCI…

A: Please find your solution below : Titration is a quantitative method of volumetric analysis which is…

Q: A Kapiolani Community College student titrated 250.0 mL of a 0.1000 M NaOH solution against a…

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Q: 1. Prelimanry Study Sulfamic acid is a strong acid. Write the equation of its reaction with water.…

A: Hello. Since more than one question has been asked and each question contains multiple sub-parts,…

Q: 0.8203 g NaAc (FW=82.03 g/mol) was fully dissolved into 100.00 mL of 0.050 M HAc solution. Calculate…

A: Given: The mass of NaAc dissolved = 0.8203 g The volume of HAc solution = 100.00 mL The molarity of…

Q: The table below shows the plH values at which two different indicators change colour Indicator…

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Q: I Review | Constants | Periodic Table What is the pH of a solution obtained by dissolving two The…

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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: An analytical chemist is titrating 190.8 mL of a 0.4600M solution of nitrous acid (HNO,) with a…

A: The titration reaction between Nitrous acid and KOH can be represented as- HNO2 + KOH ----> KNO2…

Q: 13,8mL of 0,176M H3P04(aq) is titrated with 0,110M NaOH(aq). How much volume of the base is needed…

A: Balanced equation: H3PO4(aq) + 3 NaOH(aq) ---> Na3PO4 + 3 H2O(l) This suggests that 1 mole of…

Q: solution of .0490M HCl is used to titrate 29.0ml of an ammonia solution of unknown concentration.…

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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: An analytical chemist is titrating 120.7 mL of a 0.08800 M  of methylamine (CH3 NH2 ) with a 0.5900…

A: pH is used to determine the concentration of hydrogen ion. the expression of pH is shown below: pH =…

Q: Salts containing the phosphate ion are added to municipalwater supplies to prevent the corrosion of…

A: GIVEN: pKa1 = 7.5 x 10 - 3 pKa2 = 6.2 x 10 - 8  pKa3 = 4.2 x 10 - 13 Concentration of Na3PO4= 1 x 10…

Q: a) 50.00 mL of 0.1500 M NaOH is used to titrate 15.25 mL of H3PO4 to the endpoint (neutralization).…

A: The number of moles of a substance is defined as the mass of the substance upon its molar mass. The…

Q: The phthalic acid is a diprotic acid (pKa1-2.95, pK₂2-5.41). A titration sample was prepared by…

A: mass of phthalic acid taken = 2.23 g Molar mass of phthalic acid = 166.14 g/mol => moles of…

Q: A solution containing 1.30 g of a diprotic acid H₂C₃H₂O₄ (malonic acid) was titrated with 45.5 mL of…

A: Acid (Malonic Acid) n-factor , nA = 2      (Diprotic) Moles , mA = given weight ÷ molar mass = 1.30…

Q: Lactic acid, HC3H5O3, is a waste product that accumulates in muscles tissue during exercise, leading…

A: Lactic acid is a weak acid and hydrolysis of weak acid follows Ostwald dilution law. The formula of…

Q: If 44.0mL of 0.20M HCI solution is titrated with 30.0mL of NaOH. what is the concentration of the…

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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: A solution of 0.0490 M HCl is used to titrate 29.0 mL of an ammonia solution of unknown…

A: Solution-   At equivalent point- Millimoles of base= moillimoles of acid 29.0 × C…

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

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Q: Which statement is false?   a When titrating Na2CO3, there will be a half-equivalence point and an…

A: For the titration of Na2CO3, the following statements are true: When titrating Na2CO3, there will be…

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: Part 1) Calculate the pH when 50.0 mL of 0.150 M HNO₃ is mixed with 40.0 mL of 0.250 M LiOH.

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Q: 300 ml of a 0.35 M Ca(OH)2 solution was reacted with 300 ml of 0.40 M HCl . The pH of the resultant…

A: 300 ml of 0.35 M Ca(OH)2 = 0.35 mol/L x 0.3 L = 0.105 mol Ca(OH)2 300 ml of 0.40 M HCl  =  0.4 mol/L…

Q: Write 1 mass balance equation and the charge balance equation for 0.20 M HNO2. Note : HNO2 is a weak…

A: Charge Balance: When the sum of negative charges in a solution is equal to the sum of positive…

Q: An analytical chemist is titrating 102.2 mL of a 0.5200M solution of nitrous acid (HNO,) with a…

A: For HNO2 Volume, V =102.2 mL = 0.1022 L Molarity, M = 0.5200 M = 0.5200 mol L-1   For KOH Volume, V…

Q: An analytical chemist is titrating 139.4 mL of a 1.100 M solution of nitrous acid (HNO,) with a…

A: When an acid reacts with base, neutralization reaction is seen, it forms salt and water as product.…

Q: 8. We mix 200 mL of a solution (S1) of caustic potash of pH1=10.7 with 30 mL of a solution (S2) of…

A: The question is based on the concepts of solutions. we have been given 2 solutions, whose pH is…

Q: A sample of water (200 mL) was titrated by 0.05 M H2SO4. The titration completed when the color…

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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: A 15 mL sample of water from the lemur exhibit required 3.95 mL of a sulfuric acid titrant to reacht…

A: Answer: This question is based on stoichiometric calculation where we have to convert the moles of…

Q: A 0.204 g sample of CO32- antacid is dissolved with 25.0 mL of 0.0981 M HCl. The HCl that is not…

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Q: An aqueous buffer solution of volume 100 cm3 consists of 0.20 M CH3COOH and 0.20 M NaCH3CO2.…

A: a) Calculation of pH of the solution: Thus pH of the solution in 3 significant figures is 4.75

Q: Sodium benzoato , NaC7H5O2, is used as a preservative in foods . Consider a 50.0mL sample of 0.250 M…

A: A) Given- Concentration of NaC7H5O2  = 0.250 M Volume = 50.0 mL Concentration of HBr = 0.200 M…

Q: 100 mL of 0.1 M NaOH solution was poured into 20 mL of 0.2 M H2SO4 solution and mixed well.  What…

A: Given : Concentration of NaOH = 0.1 M Volume of NaOH solution = 100 mL = 0.100 L…

Q: A solution contains Fe2+, Ba2+, Ag+, NH4+, and Cd2+. Identify the soluble compound after the…

A: AgCl will precipitate out on the addition of 6M HCl. CdS will precipitate out on the addition of H2S…

Q: 4. 500 mL of a buffer solution system contains 0.1 mol/L potassium lactate and 0.05 mol/L lactic…

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Q: 4. Phosphoric acid is a triprotic weak acid with chemical formula H3PO4. Atomic masses of H, O, and…

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

Q: During an experiment, a student mixed 14.5 mL of a 0.500 M sodium fluoride solution with 15.6 mL of…

A: Given that : Volume of Sodium fluoride (NaF) = 14.5 mL = 0.0145L Concentration of Sodium fluoride =…

Q: Part A. 1. Write equations to describe what happened when: a. Carbon dioxide was dissolved in water.…

A: Introduction: We are given with two reactions and in that we have to check what will happen on…

Q: A 15 mL sample of water from the lemur exhibit required 3.95 mL of a sulfuric acid titrant to reacht…

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Q: Given: Ammonia (NH3(aq)) is a common component in cleaning agents.  The ammonium cation (NH4+(aq))…

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Q: A. Hydrolysis of salts For the treatment of his gastroesophageal reflux disease (GERD), Nanon must…

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Q: Calculate the pOH of a solution that results from mixing 36.1 mL of 0.13 M HBrO(aq) with 12.9 mL of…

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Q: 50.00 mL of 0.0275 M HCl solution was titrated with 0.1500 M NaOH. Calculate the pH of the analyte…

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Q: 25.  A buffer is prepared using acetic acid, CH3COOH, (a weak acid, pKa = 4.75) and sodium acetate,…

A: Buffer solution is the solution which has tendency to maintain constant pH upon addition of small…

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for