Q: The table below shows a summary of precipitation indicator methods used in titrimetric analysis.…
A: Precipitation titration is a kind of titration in which precipitate is formed during the titration…
Q: The chloride in a sample containing approximately 3.5 % NaCl is to be determined gravimetrically as…
A: The chemical equation representing the reaction for the formation of AgCl is shown below. The mass…
Q: In general when will sparingly soluble salt precipitate from solution?
A: Ksp is the solubility product constant and it refers to the level in which the solute gets dissolved…
Q: ulate K for
A:
Q: 7.) The K, of an acid is determined to be 0.00589. What is the pK,.
A: PKa = -log(Ka) This is the relation between Ka and pKa is
Q: What is the solubility product constant for
A: We will calculate Ksp
Q: explain why a titration flask does NOT need to be dry when titrating saturated solutions
A:
Q: Imagine an experiment in which the percentage of manganese, Mn, in a manganese ore is to be…
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Q: Why is blank titration necessary in the iodine value determination
A: ANSWER :
Q: calculate the equivalent weight pf KMnO4 in acidic medium.
A: KMnO4 is a strong oxidizing agent. The oxidation state of Mn in KMnO4 is +7. In acidic medium, Mn+7…
Q: What is volumetric analysis and its components such as titrant, titrand, analyte, base,…
A: volumetric analysis is the process of determination of concentration of analyte species with the…
Q: For the complexometric titration
A: The method uses a very large molecule called EDTA which forms a complex with calcium ions. EDTA…
Q: Write measurement of Carbon dioxide evolution during respiration of germinating seeds by the…
A: It is the development process of plant from a seed after a period of dormancy. It is also occur in…
Q: Vhat is the
A: Molar solubility is the number of moles that can be dissolved per liter of the solution after its…
Q: What quantity of sample should be taken for the analysis if it contains 16.2% chloride and the…
A: Given that : % of Chloride contained in the sample = 16.2 % Mass of AgCl precipitate to be obtained…
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: In a gravimetric determination of a soluble sulfate the data gathered is presented (see attachment).…
A: To calculate the mean of trials for sample 1 and 2 for empty crucibles and crucibles with…
Q: The molar solubility of calcium carbonate in a water solution is M.
A: Using the ksp value and it's equation to calculate solubility.
Q: If the titer during the standardization procedure of HCI is 32.50 ml by using 0.2115 grams of sodium…
A: here we are required to find the percent error in the concentration of sodium carbonate
Q: Write the procedure and necessary calculations for the preparation of 250 mL of 100 PPB of Cadmium…
A: Given: Volume of solution = 250 mL. And concentration of cadmium ion = 100 ppb.
Q: A stock standard concentration of 101.25ppm was prepared of Cu. What are the actual concentrations…
A: The formula used to prepare working solution from the stock solution is: M1V1=M2V2 Here, M1=initial…
Q: mat precipitate for
A:
Q: * How to tritation Fecly for colculation of fe
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Q: 1. The addition of azide salt in the determination of dissolved oxygen in a given water sample is *
A: Azide salt for determination of dissolved oxygen: Azide is added to suppress the interference from…
Q: Based on the solubility observations, would you except potassium and bromide to form a precipitate,…
A: Solubility is defined as the maximum amount of solute dissolved in a given amount of solvent at a…
Q: 4) A series of titrations gave the following concentration (M) values: 0.517,0.528, 0.521, 0.523.…
A: Molarity is defined as “the mole of the solute per unit volume of the solution”. It is represented…
Q: Formulate a hypothesis regarding the solubility of aspirin at different pH. The experiment A) Three…
A: Note - Since you have posted a question with multiple sub-parts, we are bound to solve only the…
Q: Topic: QUALITATIVE ANALYSIS IN ANALYTICAL CHEMISTRY a. Differentiate General Test and Confirmatory…
A: Qualitative analysis is the idenfication of the chemical compounds or its component elements but…
Q: What will happen to the pH and alkalinity of the water as alum is added? Justify your answer.
A: Alkalinity is a measure of ability to neutralize acid. Alkalinity levels are expressed as…
Q: list the apparatus involved in volumetric or titrimetric analysis
A:
Q: intermolecular force causes the dissolution of FeCl, in water
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Q: The molar solubility of lead fluoride in a water solution is M.
A:
Q: What is the end point of colorimetry titration?
A: For determination of unknown quantity of a substance color observation is use in both cases of…
Q: To 1 cm of aqueous silver nitrate in a test tube add aqueous sodium hydroxide until a brown…
A:
Q: Give some examples of secondary standard solutions, and give the reason
A: There are mainly two types of solution, primary standard solutions and secondary standard solutions.…
Q: If a student used the molar mass of magnesium to calculate the concentration in parts per million…
A: Parts per million (ppm) The concentration of very dilute solution is expressed in terms of parts of…
Q: Elaborate the chart , explain the experiment by using these indicators.
A: The pH of the solution is the power of protons in the solution. While pOH is related to the basicity…
Q: How do you differentiate the method of standardizing the NaOH solution from that of HCl solution?
A: Standardization is a method used in analytical chemistry to determine the exact concentration of a…
Q: Write Briefly about Methods of Expressing Concentration ?
A: The concentrations of the solutions are generally expressed in terms of : 1. Molarity 2. Molality 3.…
Q: Titrant is usually in. In beaker. In buret. In a conical flask.
A:
Q: The molar solubility of iron(II) carbonate in a water solution is M.
A:
Q: A beer sample is analyzed in the laboratory to determine the international bitterness units (IBUs).…
A: Given data: 22.5, 25.4 and 21.7 Calculate: Range of 95% confident the true value = ?
Q: While completing the titration required for the volumetric analysis, a student notices that a brown…
A: The process of determination of chloride as silver chloride by volumetric titration analysis is…
Q: In Thiosulfate (Redox Titration), why is there a need for a white background when titrating? the…
A: For the standardization of sodium thiosulfate potassium dichromate and potassium iodide solution is…
Q: In the Flint Water Crisis, trihalomethanes were produced in the new water supply due to the mixing…
A: Flint water crisis happened because of the presence of trihalomethanes and lead in the drinking…
Q: Why is the erlenmeyer flask ideal to use for titrations? Why not use a beaker?
A: Erlenmeyer flask has flat bottom, conical body and cylindrical neck.
Q: You have a sample of approximately 100 mg / L of calcium carbonate and the standardized EDTA has a…
A: Given : Concentration of calcium ion = 100 mg/L Volume of calcium ion solution = 25.00 mL = 0.025 L…
Q: Mr. Clean recently bought a laboratory-grade sodium carbonate from a chemical company known as Brand…
A:
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- In a gravimetric determination of a soluble sulfate the data gathered is presented (see attachment). Calculate the amount of BaCl2 needed fortitration.What weight of sample should be taken for analysis sos that the volume of 0.1074N NaOH used for titration equals the percentage of potassium acid phthalate (KHC8H4O4) in the sample (Answer 2,193 g)*** CALULATE FINL CONCENTRATION USING 2 IG FIGS AND APPROPRIATE UNITS A 6.0 mLmsample of a 50.0 % (mm/vv) acetic acid (HC2H3O2) solution is added to water to give a final volume of 34 mL.
- If 25 mL of 0.05 N NaOH required 30 mL of sulfuric acidfor titration. What is the normality of the acid?A vinegar sample of 28 mL was diluted with distilled water to a 250-mL volume. 25 mL portion ofthis solution was directly titrated with standard 0.01 mol/L NaH solution. The consumption was foundas 27.1 mL. Find the concentration (mol/L) of acetic acid in vinegar sample.A 0.4671 g sample containg NaHCO₃(Mwt=84.01mg/mmol) was dissolved and titrated with 0.1067 M HCl requiring 40.72 ml, find the percentage of NaHCO₃, in the sample
- In which situation(s) is it necessary to use a volumetric flask for maximum accuracy? to prepare a 0.150M solution of sodium chloride to measure ~25mL of water to prepare 0.1M HCI from 36-38% HCI a and c all of the above (Please type answer no write by hend)You are the manager of a chemical stockroom, and find a bottle containing approximately one liter of aclear and colorless solution of unknown identity and concentration. Your only clue to its identity is thatit was found between bottles of silver fluoride and sodium fluoride, so it is likely an aqueous solution ofone of those two compounds. You will need to develop a procedure to determine the following:a) The identity of the unknown solutionb) The concentration of the unknown solutionWrite out a precise procedure, which includes all glassware, reagents, and steps. You will also need towrite the calculations that you would need to determine the concentration of the solution. Assume thatyou have access to any reagent you might need. You may also assume that you have access to commonlaboratory equipment. You observed some examples of laboratory equipment within the VirtualChemistry Laboratory simulations. You may visit the virtual lab at chemcollective.org to refamiliarizeyourself with…Identify if there are any errors in the solutions, and state what they are. Thanks
- A 4.0520g sample of HCl, specific Gravity 11.18, required 44.15ml of 0.9035M of Sodium Hydroxide in titration, compute for percent purity. Please explain thoroughly. Final answer in percent.A 370.00 mL solution of 0.00185 M A3B4 is added to a 390.00 mL solution of 0.00100 M C3D4. What is pQsp for A3D4?A 0.3749 g soda ash sample is analyzed by titrating sodium carbonate with the standard 0.2388M HCl solution, requiring 49.38ml. The reaction is: CO32- + 2H+ → H2O +CO2Calculate the percent sodium carbonate in the sample.