For a gravimetric determination of a soluble sulfate, Why choose Na2SO4 be the assume sample?

Q: Find the activity coefficient of H in a solution containing 0.010 M HCl plus 0.040 M KClO4. What is…

A: Given information: 0.010 M HCl plus 0.040 M KClO4 Calculate the ionic strength of the mixed solution

Q: What is the activity (not the activity coefficient) of the CI ion, assuming complete dissociation in…

A: Calculation of activity (a) a=cγa=activityc=concentrationγ=activity coefficient Calculation of…

Q: Write the dissolution reaction of sodium carbonate, of Ag2CrO4 and KMNO4.

A: Hello. Since your question has multiple questions, we will solve the first question for you. If you…

Q: - activity coefficient for NH4' in a I .

A: Log Mean Activity Coefficient = -0.509|Z+Z-|√I

Q: BOD determination using modified Winkler method Determination of molarity of a standard solution:…

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

Q: Which of these expressions correctly expresses the solubilityproductconstant for Ag3PO4 in water?(a)…

A: Solubility product can be defined as that equilibrium constant in which the salt dissociates into…

Q: What is the purpose of acetone in the final filtration of the precipitate in Gravimetric…

A: The purpose of acetone in the final filteration of the precipitate in gravimetric determination of…

Q: Show by calculation how could you prepare 250 ml of 0.1N Na,CO; from the solid primar standard of…

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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: Explain how preconcentration of cations with an ion exchanger works. Why must the concentrated acid…

A: Ion exchange chromatography involves the reversible exchange of ions between a solid phase (that is…

Q: Why was the flame test used for the qualitative determination of K and Na?

A: The identification or determination of the ions present in a sample is done using qualitative…

Q: If the test tube used in the determination of the ΔHrxn for nitric acid (neutralization with NaOH)…

A: Given: The test tube used in the determination of the ΔHrxn for nitric acid (neutralization with…

Q: A solid chloride sample weighing 0.09969 g required 18.25 mL of 0.05205 M AGNO3 to reach the…

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Q: what is the purpose of preparing of a standard sodium hydroxide solution in determination of purity…

A: We prepare a standard sodium hydroxide solution in determination of purity on impure KHP. Because we…

Q: What is the ionic strength of a 0.100 M solution of Na,SO4 with 0.2 M KI?

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Q: 1. Outline methods for analysing [Co(NH:)»CIJCI; for the ionic chloride and for the total chloride…

A: Introduction: Ionic chloride reacts with AgNO3 and gives a white precipitate of AgCl. For example,…

Q: Why is it less desirable to wash AgCl precipitate with aqueous NaNO3 than with HNO3 solution?

A: In a chemical reaction, sometimes precipitates are formed. They are insoluble salts formed during…

Q: What would the Ksp for silver chromate be, if it was measured in a 0.10 M solution of sodium…

A: Silver chromate when dissolves dissociate into 2 moles of Ag+ and 1 mol of CrO42-.

Q: Q2):- A. Define the "gravimetric methods" and list the important steps required to obtain on the…

A: Gravimetric methods are used to measure the amount of the ions to be analysed through the…

Q: Calculate the values expected for the total alkalinity and for the phenol- phthalein alkalinity of a…

A: The total alkalinity of water is defined as the measure of the amount of OH-, HCO3-, and CO32-…

Q: (c) Briefly state the 4 Hume-Rothery rules that give guidelines on the likelihood of substitutional…

A: Hume-Rothery Rules is Related with the condition that determine whether an alloy or impurity element…

Q: Discuss whether the indicator method applied for determination of alkalinity is satisfactory, is…

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Q: Each solution began with a different [Ag+]0. Should the Ksp value be the same for each solution?…

A: We have a sparingly soluble salt which is AgC2H3O2 and it is partially dissociated in the solution…

Q: Calculate the gravimetric factor of the following. 2 Fe is sought(Analyte), 1Fe2O3 is weighed…

A: According to the formula, GF =n (FW substance sought)m (FW substance weight)

Q: 9. a) Determine the activity coefficient for Ca"in a solution with an ionic strength of 0.01M, using…

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Q: The distribution constant for iodine between an organic solvent and H2O is 85. Find the…

A: Polar and non-polar organic substances do not mix with each other due to different intermolecular…

Q: Calculate the activity coefficient of K+ in 0.050 M KNO3.

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Q: Given a solution containing 0.010 M CaCl2 and 0.020 M MgCl2, what formula should be used to…

A: Concept: Debye huckle limiting law:  Debye-Hückel developed a model for calculating activity…

Q: The activity coefficient of Zn²+ with ionic strength of 0.083 mol/L (a Zn2+ =0.6 nm) is: Please fill…

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Q: 3. Give the molar concentration of HCI with a specific gravity of 1.18 and 37.0% (w/w) purity…

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Q: 2-SILVER NITRATE IS A SECONDARY, NOT PRIMARY, STANDARD SOLUTION, WHY IN MOHR'S MATHOD? 1:51 PM

A: Given: Silver nitrate solution in mohr's method To find: Why it is used as a secondary standard…

Q: In how much volume of diluted sulfuric acid should you dissolve a multivitamin tablet of…

A: Given, Volume of KIO3 = 25.0 mL = 0.025 L Molarity of KIO3 = 0.01M Volume of thiosulfate = 10 mL =…

Q: Why a filter paper cannot be utilized for the removal of potassium permaganate precipitate?

A: Filter paper can be defined as a semi-permeable paper that helps us to separate fine solid particles…

Q: b. Where in nature would you find solutions with more than 1 M Nat and SO,? 2- dissolved in them?…

A: Nature is the resource of most of the salts. For example, maximum source of the salt sodium sulfate…

Q: Why is high supersaturation undesirable in a gravimetric precipitation?

A: Qualitative analysis is a branch of chemistry that deals with the identification of elements present…

Q: Using activity coefficients, calculate the pH of a solution containing a 2.00:1.00 mole ratio of HC²…

A: Given that

Q: Show that the equivalence point N1V1=N2V2 where V1mL of analyte of strength N1 reacts with V2L of o…

A: At the equivalence point, equivalent quantities  of titrant and analyte have chemically reacted with…

Q: What is the ionic strength of a solution that is 0.032 M in ammonium chromate?

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Q: A protein of molecular weight = 55,000 g/mol and at 1 mg/mL concentration was titrated with Ellman’s…

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Q: d) If the uncertainty in one volume reading for the class A burette used is 0.03 mL., find the…

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Q: If I have a concentrated stock chemical at 4.4 Molar, and I need 350mL at 1.5 Molar, how do I make…

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Q: A. What is the solubility (in grams/L) of PbI2 in distilled water?

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

Q: How can I calculate the activity coefficient and the resulting activities of a mixture of 0.001M…

A: Given: Concentration of NaCl = 0.001M  Concentration of NaNO2 = 0.05M

Q: The activity of a 0.05m CaCl, solution .4 :that has a mean ionic activity of 0.58 is

A: GivenMean ionic activity of CaCl2 = γ = 0.58Concentration of CaCl2 solution = m =  0.05mActivity of…

Q: Tobramycin sulfate is a 7-ion electrolyte and has a molecular weight of 1425.45 g/mol. Assuming that…

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Q: a. Calculate for the concentrations of the five standard solutions. b. Give the equation of the line…

A: A question based on quantitative analysis and calibration graph that is to be accomplished.

Q: concentration and pH of the H2SO4 solution.

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Q: What is the numerical value of the activity coefficient of aqueous ammonia (NH,) at an ionic…

A: To find the numerical value of activity coefficient of aqueous ammonia (NH3) at an ionic strength of…

Q: What is the activity coefficient of a sulfate ion in a solution that is 0.01667 M Na2SO4

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Potentiometric Titrations

Potentiometric titration is one of the important titration methods and is mainly carried out to characterize acid solutions. It follows a method similar to that of the normal titration technique, but the main difference is that there is no indicator used in the potentiometric titrations. Instead of using an indicator, electrodes are employed for monitoring the whole titration process. A scientist named Robert Behrend did the potentiometric titration for the first time, and it was done using the mercurous solution and potassium chloride.