a) In the gravimetric analysis the precipitate should be free from impurities. Give the detailed justification for the above statement by identifying impurities. b) It is required to analyse the metal from its ore sample. Manganese (Mn)present in the ore sample was analysed by forming a precipitate of MnSO4. If 2.98 g of ore sample gives 0.19 g of MnSO4. Calculate the percentage of Mn present in the sample

Q: Which of the following is not one of the properties of the precipitate in the gravimetric analysis…

A: To find not one of the properties of the precipitate in the gravimetric analysis method.

Q: The ideal product of gravimetric analysis called precipitate should portray some specific…

A: In gravimetric analysis the precipitates are insoluble ionic solid products of a reaction, formed…

Q: Discuss the general steps in gravimetric analysis.

A: General steps for gravimetric analysis is given below.

Q: The chloride in a sample is to be determined gravimetrically by precipitation and weighing AgCl.…

A: The answer is 2.47g. Here in this question  1. First you have to find out moles of AgCl so that you…

Q: The chloride in the sample is to be determined gravimetrically by precipitating and weighing AgCl.…

A:

Q: write the method for preparation of caustic soda.

A: Caustic soda is known as Sodium hydroxide (NaOH) or Lye.  It is an alkali salt.It can be prepared by…

Q: True or False: Blank titration is indicated for the determination of the concentration of a sample.…

A: A blank titration gives an idea of how much titrant is needed to the titration with sample. The…

Q: 500 mL of river water was subjected to sulfate determination by the barium gravimetric method. The…

A: The sulfate ions present in the river water are precipitated as barium sulfate.  The volume of water…

Q: A solution containing chloride ion was analyzed by the Volhard method. A 50.00 mL sample containing…

A: Given, MAgNO3 = 0.2500 M VKSCN = 25.00 mL = 0.025 L MKCN = 0.2380 M VKSCN = 10.67 mL = 0.01067 L

Q: While working in a metal processing facility, Letlen had accidentally mixed two metal vats together…

A: Given the total mass of the homogenous alloy sample of Cd and unknown metal taken for titration =…

Q: 1. What is used to change the chemical form of some precipitate that do not have a constant…

A: Interpretation: 1. To find out what is used to change the chemical form of some precipitate that do…

Q: A 0.1093-g sample of impure Na2CO3 was analyzed by the Volhard Method. After adding 50.00 mL of…

A: Reaction taking place: Na2CO3 + 2AgNO3 →→ Ag2CO3 + 2NaNO3  Reaction of KSCN with excess AgNO3: AgNO3…

Q: To determine the percent purity of a sample containing iron(II) ammonium sulfate; Suggest , 2…

A: The question is based on the concept of quantitative analysis. we have to quantitatively estimate…

Q: What was done to ensure that there are no more chloride ions present in the precipitate? A Addition…

A: If a solution containing more chloride ions, then we can use silver nitrate test to identify the…

Q: Find out in detail about the formation mechanisms and conditions of precipitates.

A: Answer - Precipitates - Precipitate: Is a  solid formed by a change in a solution, often due to a…

Q: analysis

A:

Q: A concentration for the Ni ion was found to be 0.292 M. If you took 0.300 g of nickel sample and…

A:

Q: In gravimetric determination of sulphate present in the soil ,0.2045g of sample was treated with…

A: Barium chloride reacts with sulfate ions to form the precipitate of barium sulfate. The equation for…

Q: Determine whether the first part of statement will INCREASE, DECREASE or HAVE NO EFFECT in the…

A: (1) Density of the Substance is the ratio of the mass and volume of that substance. It can be…

Q: 0.6025-g sample was dissolved, and the Ca 2+ and Ba 2+ ions present were precipitated as BaC2O 4 .…

A: Note the dehydration equation of calcium oxalate and barium oxalate.…

Q: Analyze the table of some common inorganic precipitating agents and answer the following questions:…

A:

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: A 2.950 sample containing NH,CI, Rb,CO3 and inert material was dissolved to give 250.0 ml of…

A: Therefore,

Q: 6. A mixture contains at least one of the ions in the silver group (Ag*, Hg²*, Pb²*). Read the…

A: The qualitative analysis of the metal ions involves the identification of metal ions that are…

Q: An analysis for borohydride ion is based on its reaction with Ag+:  BH4- + 8Ag+ + 8OH--> H2BO3- +…

A:

Q: A 0.1093-g sample of impure Na2CO3 was analyzed by the Volhard Method. After adding 50.00 mL of…

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

Q: Differentiate the Fajans method from the Volhard method of precipitation titrimetry, Include key…

A: Precipitation titrations are a special type of titrimetric method involving the formation of…

Q: 1. How is complete precipitation assured in the Group III Cations? 2. In the confirmatory test of…

A:

Q: When a 8.000 g of mineral ore sample containing Sn(CO3)2 (238.7 g/mol) and other inert material was…

A: Given that,  8.000 g of a sample containing Sn(CO3)2 and other inert material was is treated with…

Q: Use the data below to determine the % by mass of Fe to TWO decimal places, if a 0.021 M KMnO…

A: the correct answer is as follows:

Q: The thiourea in a 1.455 g sample of organic material was extracted into a dilute sulfuric acid…

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

Q: The digestion of a 0 1432 g sample of a compound containing phosphorous in a mixture of HNO3 and…

A: Given: Mass of sample = 0.1432 g. Volume of NaOH added = 50.00 mL = 0.050 L…

Q: A sample weighing 0.6760 g that contains an unknown amount of BaCl₂ was completely dissolved in…

A:

Q: Use the following atomic masses (in g/mol): Mg = 24.31; H = 1; S = 32.06; O = 16; Na = 23; Cl = 35.…

A: Molecular mass of Chlorpheniramine Maleate: 390.9 g/mol Molecular mass of perchloric acid: 100.46…

Q: QUESTION 1 The coarsely crystalline type of precipitate is desirable in gravimetric analysis because…

A: The particles of a crystalline suspension tends to do spontaneously and are easily filtered. We know…

Q: The gravimetric determination of Ni-t: Ni (58.7 g/mol) was precipitated as NIDMC) , (288.7 g/mol).…

A: Answer: option 1) 2.60 × 103 mg/L is the concentration of Ni2+ in the unknown sample solution.

Q: If the same mass of Na2SO4 (MW: 142 g/mol) and K2SO4 (MW: 174 g/mol) were weighed and used for the…

A: The balanced equation for the formation of the precipitate, BaSO4(s) is: Ba2+(aq) + SO42-(aq)…

Q: Suppose that a small portion of the sulfate precipitated as lead sulfate rather than as barium…

A: Answer - According to the question - Given -  Small portion of the sulfate precipitated as lead…

Q: The gravimetric analysis of nickel in copper and iron, what is the purpose of "dipping" the…

A: The solutions is shown below.

Q: Gravimetric Analysis. Please include complete solution, thank you. In the gravimetric…

A:

Q: A newly-discovered iron ore was examined to determine percent iron in the ore gravimetrically. 5.408…

A: The molar mass of iron (III) oxide (Fe2O3) =159.69g/mol The molar mass of Fe = 55.85g/mol and molar…

Q: A sample of magnetite (impure Fe3O4) weighing 0.5000 g is fused with oxidizing flux and the ferric…

A: Magnetite is an ore of Fe with the formula Fe3O4.

Q: In the analysis of 1.500 g sample of feldspar, a mixture of the chlorides of sodium and potassium…

A: Given: Mass of sample = 1.500 g. Mass of NaCl and KCl mixture formed from sample = 0.3450 g. And the…

Q: What will be the ideal precipitating agent in gravimetric analysis? Select one: O React to all…

A: In this analytical technique, a precipitating agent is added to form precipitate of the analytical…

Q: 12.1 g of goztic acid was dissolved in water weighing 87.9 G. The mass fraction (%) of acid in the…

A: Mass fraction and mass percentage can be calculated as follows:

Q: Several alloys that contained only silver and copper were analyzed by dissolving weighed quantities…

A: Using mole concept to solve.

Q: The gravimetric determination of N²": Ni (58.7 g/mol) was precipitated as Ni(DMG) ; (288.7 g/mol).…

A: A multiple choice question based on gravimetric analysis, which is to be accomplished.

Q: 2) You are tasked with determining the barium content of a sample containing barium nitrate mixed…

A: Observing the given data table, it is clear that the mass of precipitate value gets decreased on…

Q: 21. Some 1.0 g steel samples are believed to contain about 2.5% cobalt. Ifa 10% excess of the…

A: Molecular weight of cobalt = 59 Molecular weight of 1-nitroso-2-naphthol = 173

Q: In a precipitation process, inclusion can be avoided by: a. reprecipitation b. peptization c.…

A: