. a. In a lab project, a student obtained a highly turbid acidic solution whose concentration has to be determined. Write one method by which he can determine the concentration. Give reason for your answer. b. A chlorophyll sample contains Mg2+ ions. Describe in brief the sequential steps to determine the concentration of the metal ion in the sample using a simple titration. Which medium is suitable for performing the titration, acidic or basic medium and why?

Q: A student determined the concentration of copper by ion exchange. He obtained the following results:…

A: Given : molarity of NaOH and volume of NaOH and volume of CaCl2.  To find : no. Of moles of…

Q: 2. Why is it important that the color change occurs by the addition of a single drop? Explain in…

A: As per the rule only first question can be answered.

Q: In a titration, 25.00 ml. of an unknown weak acid required 38.99 mL of a 1.4971 M NaOH solution to…

A: Given data, Molarity of NaOH = 1.4971M Volume of NaOH = 38.99mL Volume of weak acid = 25.0mL

Q: An HCI solution was titrated to determine its concentration using 15.00 mL 0.02500 M sodium…

A:

Q: A student performed titration of an unknown reducing substance (molar mass 200. g/mol) in a sample…

A: Molar Concentration Molar concentration, also known as molarity, quantity concentration, or…

Q: A 22.2 mL sample of 0.357 M ammonia, NH3, is titrated with 0.352 M hydroiodic acid. The pH before…

A: Since you have posted unrelated question as per guidelines we can solve only one per session . If…

Q: n this equation is balanced using

A:

Q: Why does lead dissolves more readily than copper in a pipe feeding a water fountain made of copper…

A: The question is based on the concept of electrochemistry. we have to talk about the reactivity of…

Q: A student was performing this experiment with an antacid tablet which contained C a CO3 but forgot…

A: Antacid tablets are used to reduce the acidity in the stomach and are made up of alkaline…

Q: Part A. Preparation of Saturated Solutions of Cadmium Oxalate 1. You need to prepare three saturated…

A: A total of 50mL of 0.100 M cadmium nitrate is taken in the burette and a measured volume of cadmium…

Q: ake was given an unknown solution thought to contain Pb²⁺ and/or Ba²⁺ and asked to perform chemical…

A: Jake concluded that the white precipitate formed in the solution after the addition of sulphate ions…

Q: Use floating decimal in your solutions but express all final answers to four (4) decimal places and…

A:

Q: A 0.9600 M NaOH solution was diluted with a factor of 4. Then the diluted solution of NaOH was…

A:

Q: A student titrates samples of a base with a standardised acid. The titration values obtained for…

A: Given that,   Student titrates samples of a base with a standardised acid The titration values…

Q: Why you should not start a titration with zero mL as an initial volume?

A: A quantitative analysis where the amount of substance is calculated present in the sample by…

Q: mól dm (b) After carrying out the titration in (a), the student left the resulting solution to…

A: B)   (i) water of crystallisation

Q: A 10 mL aliquot of a sulfuric acid solution requires 28.16 mL of 0.1000 M sodium hydroxide for…

A: To find out what volume of 0.1000 M barium chloride will be required to titrate a second 10 mL…

Q: Drag and drop the terms to label this diagram of a titration apparatus accurately. burette stopcock…

A: Here, we have to label the given diagram of a titration apparatus.

Q: A solution contains 0.00010 M copper(II) ions and 0.0020 M lead(II) ions.   c) Imagine that you…

A: We know that, Ksp of PbI2 = 1.4×10-8 Ksp of CuI2 = 1.1×10-12

Q: 1. The volume of water needed to dissolve 0.0659 grams of lead bromide is ???  L. Assume no volume…

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

Q: KHC8H4O4 (aq)    +    NaOH (aq)   --------->   KNaC8H4O4 (aq)    +    H2O (l

A:

Q: Briefely explain the meaning of the following terms as they relate to this experiment. a) Titration…

A: The brief explanations are given below -

Q: You have a job as a summer intern in a bleach processing plant. Part of your job is to determine the…

A:

Q: In a titration of KOH, 0.0725 g of KHP is weighed into a flask and dissolved in deionized water. The…

A: The molar mass of KHP is 204.22 g/mol. The number of moles of KHP can be calculated by dividing the…

Q: 6. Why do we need to precipitate from a hot solution? 7. Why is the precipitating agent added all at…

A: Since you have posted multiple questions, the answer for first two question is given below. Kindly…

Q: 29. 300.0 mL of 0.00325 M barium chloride is added to an equal volume of 0.00400M sodium sulfate.…

A: The precipitation reaction between Barium chloride and Sodium sulfate to form Barium Sulfate is…

Q: 5.) 60.0 mL of 0.322 M potassium iodide are combined with 20.0 mL of 0.530 M lead (II) nitrate. How…

A:

Q: In an analytical laboratory that analyzes BOD, the titrant solution of sodium thiosulphate must be…

A:

Q: Which is NOT TRUE about performing a BLANK titration? Choose the best answer.     It involves…

A: Blank titration is the titration that is done on the blank solution.

Q: The concentration of hydrogen peroxide (H;O2) in an H2O2 solution can be determined if the solution…

A: We will calculate number of moles of both reactants and solve according to balanced equation.

Q: precipitation titration, what would happen if a mixture of 2 anions is titrated with Ag+? Assuming…

A: In a precipitation titration , if a mixture of two anions is titrated with Ag+ . What happened…

Q: An impure sample of the monoprotic acid benzoic acid (C6H5COOH, 122.12 g/mol) is titrated with…

A: Since 1 mole of benzoic acid has 1 mole of acidic H. because 1 molecule has only 1 acidic H. And 1…

Q: In an acid-base titration experiment, a student first standardize NaOH (39.997 g/mol) with 0.7102 g…

A:

Q: MnO4 (aq) + H2O2 (aq) → Mn2+ (aq) + O2 (g) (a) Sketch a flask containing an analyte solution before…

A: To sketch the flask at different points in the titration of hydrogen peroxide(H2O2) solution with…

Q: An HCl solution was titrated to determine its concentration using 15.00 mL  0.02500 M sodium…

A: Molarity of Na2CO3(M2) = 0.02500 M Volume ( V2)= 15.00 mL Molarity of HCl  = M1 Volume of HCl ( V1)=…

Q: A 25.0mL acetic acid sample was titrated using exactly 69.72 mL of a 0.30M sodium hydroxide solution…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: You are titrating an acidic solution with basic one, and just realised you forgot to add the…

A: The titration between acid and base is used to find out the concentration of an acid or base via…

Q: How quantity Qsp and Ksp can be used in predicting precipitate formation?

A:

Q: For items 44-47. The chloride ion content of a 250.0-mL seawater sample was titrated against 0.1102…

A: This question can be solved using law of multiple proportions.

Q: Solid NaI is slowly added to a solution that is 0.0099 M Cu+ and 0.0081 M Ag+.   Which compound will…

A: Introduction: Solubility product constant measure the extent to which a solute is dissolved in…

Q: We have 4 test tubes filled with aqueous solution, one of which is definitely yellow. Use the…

A: A question based on qualitative analysis that is to be accomplished.

Q: Why was HCl added to the unknown sulfate solution before adding the BaCl2 solution?

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

A:

Q: Solid sodium sulfide is slowly added to 175 mL of a 0.0364 M silver acetate solution. The…

A: The given reaction equation is given as - Na2S (s) + 2 CH3COO-Ag+ (aq.) ⇌ Ag2S (s) + 2 CH3COONa…

Q: In titration, one solution is added to another solution until a chemical reaction between the…

A: The balanced chemical equation for the reaction between the given acid and base is shown below.…

Q: The standardization of iodine solution was conducted using 10.0 mL of a standard 1.00 mg/mL ascorbic…

A:

Q: Will a precipitate form when 75.0 mL of 0.0250 M magnesium iodide is mixed with 100.0 mL 0.0130 M…

A: When Magnesium iodide is mixed with lead(II) nitrate, the following reaction occurs: MgI2 + Pb(NO3)2…

Q: What would happen to the concentration of a solution if the titration was stopped after the first…

A: A quantitative analysis where the amount of substance is calculated by measuring the volume is…