Q: n determination of mixed alkali, does adding H2O to the analyte can afect the process of titration?
A: Titration is an analytical method to determine the concentration of an analyte.
Q: Write two features of Erichrome black- T which makes it a suitable indicator in complexometric…
A: Two features of Eriochrome black- T has to be written The medium it undergoes complex formation has…
Q: 1. Titration of 0.485g sample by the Mohr method required 38.8mL of standard 0.1060 M AgNO3…
A: Given, Weight of sample= 0.485 g Concentration of AgNO3 = 0.1060 M Volume = 38.8mL = 38.8/1000 =…
Q: The following experimental process steps have been made to determine the hardness of water.…
A: Given: Volume of water = 100 mL Concentration of EDTA = 0.0086 M Volume of EDTA = 11.44 mL molar…
Q: 4. Calculate the pM at equivalence point in the titration of 20 mL of 0.30 M of M³+ solution with…
A:
Q: Give six differences between tituration and levigation
A: Six differences between trituration and levigation- 1) Triturate is the continual rubbing of a solid…
Q: Describe the preparation of 100 mL 0.050 M and 100 mL 0.0050 M phosphate buffer (both having pH =…
A: A buffer is a solution that can resist pH change upon the addition of acidic and basic components.…
Q: Enumerate at least 2 specific medical applications of complexometric titration and discuss each.
A: This titration is used to analyse the urinary samples in medical field by calculating the presence…
Q: How is coulometric titration done? Explain step by step.
A: coulometric titration - Coulometric titration is an absolute determination technique in which the…
Q: In complexometric titration ‘the reaction with analyte should be rapid and complete’ give reason…
A: Complexometric titrations are those titrations in which chelates or soluble complexes, usually…
Q: 3. Why do the glasswares need to be rinsed with 0.1 M HNO3 prior to use?
A: M symbol denote molarity that determines concentration of nitric acid. Acid is a substance that give…
Q: 6) Why EBT indicator is not used for the determination of Ca-hardness?
A: An indicator is a compound which combines with metal in complexometric titration and in the free…
Q: In compleximetric titration, why should the conditional formation constant between the indicator and…
A: In complexometric titration, the metal ion concentration is determined with the help of a…
Q: List four methods of detecting the end-point of an EDTA titration and explain each.
A: Titration is a method of analyzing an unknown sample with the help of a known sample using an…
Q: Write the mass balance equation for EDTA and the complete charge balance for the complexometric…
A: Various titrations are studied in chemistry. One of them is complexation titration. It takes place…
Q: For complexometric titration of Ca (II) ions in the shell of an egg sample weighing 59,427 g, the…
A: From the result of complexometric titration, concentration of Ca2+ in the egg shell has to be…
Q: A solution containing Mg2+ was buffered to pH 9.97 and titrated with EDTA. Eriochrome black T, with…
A: Eriochrome black T is a diprotic acid, represented as H2E.
Q: 13. What is the pH range should be maintained in an argentometric titration for the estimation of…
A: This method determines the chloride ion conc. of a solution by titration with AgNO3. As the AgNO3…
Q: Titration of 25.0 mL of a 0.0500 M Zn2+ solution with 0.0550 M EDTA in a solution buffered at pH 8.…
A: Conditional formation Constant, Kf’ can be determined as follows: where Kf is the formation…
Q: Which of the following statements is advantageous? A). The main differences between potentiometric…
A: The major difference between potentiometric and conductometric titration is that potentiometric…
Q: b) What is the function of using the following chemicals in the Determination of Zinc in…
A: Ion-exchange chromatography retains analyte molecules on the column based on coulombic (ionic)…
Q: 10mL of a 10% by weight MgCl2 solution (density = 1.1 g / mL) is precipitated as magnesium ammonium…
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Q: Question attached
A: EDTA is ethylene diamine tetra acetic acid. It is a hexadentate ligand. The ability of multidentate…
Q: Question attached
A: In a sample of water, there are many ions like calcium, magnesium and aluminium is present. Many of…
Q: Explain why in Mohr's method neutral medium should be used in titration of AgNO3?
A: Mohr's method is the method to determine the chloride ion concentration of a solution by titration…
Q: A solution containing Mg2+ was buffered to pH 9.97 and titrated with EDTA. Eriochrome black T, with…
A: Predominant form of Eriochrome black T in the solution at pH 9.97 = HIn2- color of the solution…
Q: A series of solutions containing NaOH, Na2CO3, and NaHCO3, alone or in compatible combination, was…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: why Mg (II) must be added when EDTA is standardized using a calcium standard solution and Eriochrome…
A:
Q: Enumerate at least 2 specific biological applications of precipitation titration and discuss each.
A: Precipitation titration : It is a titrimetric approach in which precipitates are formed throughout…
Q: An antihistamine sample, brompheniramine maleate, weighing 5.01234 g was dissolved in alcohol and…
A: Mass of an antihistamine sample, Brompheniramine maleate = 5.01234 g Molarity of AgNO3 = 0.3121 M…
Q: Explain the conductometric titration curve of strong acid with strong base
A: Conductometric titration: Conductivity of the titration mixture is measured while adding reactant…
Q: Condition of permanganatometric titration of sodium oxalate includes: pH = 1 and heating of analyte…
A: Permanganatometric titration is a technique used in chemical quantitative analysis. It is a type of…
Q: Would the indicator bromocresol green, with a transition range of pH 3.8–5.4, ever be useful in the…
A: weak acid react with strong base, it give basic solution. So, the pH of the solution after…
Q: 14 12 10 8 2 10 20 30 40 50 60 Volume of 0.1000 M HC1, mL !Curve for the titration of 25.00 mL of…
A: The titration curve given is,
Q: pls ans. asap The titration reaction: 2Ce4+ + 3I- ⇌ 2Ce3+ + I3- is an example of: a.…
A: In iodometric titration , Iodide ion is reacted with oxidizing agent
Q: 3. This produces the observable physical change upon reaching the enc point of a titration indicator…
A: A point marking the completion of a reaction called end point
Q: Titration of 50.00 mL of 0.04715 M Na2C2O4 req
A: Given redox reaction is +7 +3 +2…
Q: Effect of calcination temperature on Mixed metal oxides of Zn Cu And Ni ? explain with the help of…
A: Interpretation - To tell about the effect of calcination temperature on Mixed metal oxides of Zn Cu…
Q: What is the importance of having a titration of about pH 10 in compleximetric titration?
A: In complexometric titration end point is observed by the formation coloured complex.
Q: Using the graph given, suggest a complexometric method for determination of each component in a…
A: Complexometric titration (sometimes chelatometry) is a form of volumetric analysis in which the…
Q: OXIDATIVE-RESTORATION METHODS OF TITRIMETRY INCLUDE Choose one answer: a. complexonometry O b.…
A: Correct option is A.
Q: 2. In an iodometry titration, the appearance of blue colour upon addition of starch indicator is…
A: Iodometry titration can be defined as a method of volumetric analysis where the appearance or…
Q: Finely ground mineral (0.9315 g) was dissolved in 25 mL of boiling 4 M HCl and diluted with 175 mL…
A: To provide an explanation for the following: a)The unknown solution heated to boiling and the…
Q: Determination of Water Hardness experiment was designed and suitable for bottled mineral water. What…
A: Principle: The determination of hardness is carried out by titrating water sample with Sodium salt…
Q: Determination of water hardness using complexometric titration. Overtitration during…
A:
Q: A 100.0 mL drinking water containing Ca2+ was treated with ammonia-ammonium chloride buffer solution…
A: Given data,Volume of water sample=100.0mLMolarity of EDTA=0.0050MVolume of EDTA=23.50mL
Enumerate at least 3 specific medical applications of complexometric titration and discuss each.
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- A 25.00-mL solution containing NaOH, Na2CO3, and NaHCO3 alone or in compatible combination was titrated with 0.0998 M HCl using phenolphthalein as indicator. The solution turned colourless after addition of 25.65 mL of HCl. Methyl orange was then added to the solution and an additional 6.95 mL of the acid was needed to change the colour of the indicator. Identify the components in the mixture and calculate the concentration of each in milligrams per millilitre of solution.During the course of the titration of a 20.0 ml of solution containing 0.1 M of NaOH and 0.08 M of hydrazine (NH2-NH2) (Ka = 1.05 x 10) by a 0.2 M standard perchloric acid (HC104) titrant, calculate the pH of the titration mixture after (a) 5.0 ml; (b) 10.0 ml; and (c) 15.0 ml of HC1O4 titrant is added.Enumerate at least 2 specific medical applications of complexometric titration and discuss each.
- A student has a sea water sample which contains Ca2 ions . Describe briefly how he will determine the concentration of Ca? ion in the sample using a simple titration. Explain the colour changes at the endpoint. Which medium is suitable for performing the titration, acidic or basic medium and why?Enumerate at least 2 specific biological applications of precipitation titration and discuss each.The titration of 0.2121 g of pure Na2C2O4 (134.00 g/mol) required 43.31 mL of KMnO4. What is the molar concentration of the KMnO4 solution? Given that the chemical reaction is 2MnO4- + 5C2O42- + 16H+ -----> 2Mn2+ + 10CO2 + 8H2O Provide a detailed solution.
- A 0.150 M solution of aspirin (acetylsalicylic acid, C9H8O4) is titrated with 0.20 M KOH(aq). Which pH indicator would be the best choice for this titration? Data: K₂ (aspirin) = 3.0 x 10-4 Indicator Methyl orange Alizarin Yellow R 3.1 4.4 pH range of colour change 10.2 12.0 Phenolphthalein 8.3 10.0 Bromocresol purple 5.2 6.6An aliquot of 20 ml of skim milk was placed in an Erlenmeyer flask. To the flask was added 3 to 4 drops of phenolphthalein. The sample was titrated in triplicate using a previously standardized NaOH solution 0.101M. The volumes of NaOH spent in the three experiments to reach chemical equivalence were 3.6ml, 3.7ml and 3.5ml. 1) Express the acidity of milk in g/L of lactic acid. 2) Assuming that the only acid present in milk is lactic acid, would you expect the pH corresponding to the equivalence point was 7?.2.413 g sample contains Na2CO3, NaHCO3 and inert material. This sample was solved in water and diluted to 250.0 ml. 80 ml solution was taken and titrated with 0.09644 N HCl with the indicator of phenolftalein. 6.13 ml HCl was consumed. From a second solution, again 80 ml was taken and titrated with the same HCl solution with the indicator of methylorange. 15.4 ml HCl was consumed. Calculate the percentage of NaHCO3 and Na CO in sample (Na CO =106.0 g/mol, NaHCO =84.02 g/mol)
- A series of solutions containing NaOH, Na.CO, and NaHCO, alone or in compatible combination, was titrated with o.1202 needed to titrate 25.00-mL portions of each solution to (1) a phenolphthalein and (2) a bromocresol green end point. Use this information to deduce the composition of the solutions. In addition, calculate the mass in milligrams of each solute per milliliter of solution. M HCI. Tabulated below are the volumes of acid (2) (1) (а) 22.42 (Ъ) 15.67 (c) 29.64 (d) 16.12 (е) о.00 22.44 42.13 36.42 32.23 33.333A buffer solution consists of 0,25 mol∙dm–3 acetic acid (HC2H3O2; Ka= 1,8 x 10–5) and 0,35 mol∙dm–3 potassium acetate (KC2H3O2). Calculate the pH of the buffer solution. A small quantity (0,050 mol) of solid KOH is added to 1 dm3 of the buffer. This quantity is so small that it does not affect the volume of the buffer. Calculate the new pH of the buffer solution after the KOH has been added.Complexometric titration must be performed at pH 10.0 True False
