Calculate the pll for cach case in the titration of 50.0 ml. of 0.230 M HCIO(a4) with 0.230 M KOH(aq). Use the konization constant for HCIO. What is the pl hefore addition of any KOH? What is the pll after addition of 25.0 ml. KOH? pl What is the pll after acdition of 30.0 ml. KOH? pll= What is the pll after addition of 50.0 ml. KOH?

Q: Sometimes it is not possible to indicate the end point of a titration. a) How can one proceed then…

A: The question is based on the concept of titrations. it is a volumetric technique to determine the…

Q: The pH of a 0.5L HNO2-NO2 buffer solution was determined to be 4.23. The solution was mixed with 5g…

A: Given, pH of buffer solution = 4.23 pKa = 4.35 Volume of buffer solution = 0.5 L weight of HNO2 = 5…

Q: In the complexometric titration of Ca and EDTA, when can a quick addition of titrant to the analyte…

A: The titration of EDTA with the metal ions is lnown as complexometric titration.Because in this EDTA…

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: 5. A 0.1093-g sample of impure NażCO3 was analyzed by the Volhard method. After adding 50.00 mL of…

A: Given: Mass of impure sample = 0.1093 g Concentration of  of AgNO3 = 0.06911 M Volume of AgNO3 =…

Q: Use the systematic treatment to get the concentrations of all the species in a solution of: a.)…

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Q: 3. The % (w/w) I in a 0.6712-g sample was determined by Volhard titration. After adding 50.00 mL of…

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Q: The titration of Zn+2 and EDTA is carried out in the same manner as the Mg+2-EDTA titration. In this…

A: It is explained as given below :

Q: A 1.0 g sample containing urea was dissolved in water and diluted in a 100.00 mL volumetric flask.…

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Q: Determine the E in each titrant volumes: 10.00 mL; 20.00 mL; and 30.00 mL, for the titration of 20.0…

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Q: How is coulometric titration done? Explain step by step.

A: coulometric titration  - Coulometric titration is an absolute determination technique in which the…

Q: An EDTA solution is standardized against high-purity CaCO3 by dissolving 0.3982 g CaCO3 in…

A: Given, CaCO3=0.3982 g Volume of EDTA =38.26 mL molecular weight of EDTA= 292.24 g/mol

Q: A 100.0 mL100.0 mL solution containing 0.951 g0.951 g of maleic acid (MW=116.072 g/mol)(MW=116.072…

A:

Q: Calculation at the post-equivalence point region of a complexation titration:   What is the pSr…

A:

Q: concentration of I3- : 0.002M d. Titration data: Final volume: 29.05 mL Starting volume: 38.10 mL…

A: To explain how to calculate 'g'

Q: 5. A 100-mL sample of water containing Ca?* and Mg?* ions is titrated with 15.28 ml of 0.01016 M…

A: Solution:  We calculate total hardness of water by measuring concentration of Ca 2+ and Mg 2+ ion…

Q: If 25,0 cm3 of the NH3 (concentration 0,10 mol∙dm–3) is titrated with the HCl (concentration 0,10…

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Q: Calculate the pSr value for 10 mL of EDTA in the titration of 50 mL of 0.02 M Sr2 + in an…

A: In the titration reaction, the pH of a buffer determines whether the buffer is acidic or basic. The…

Q: Q2// (A) Calculate the number of meq. involved in a titration that required 15.4 ml of 0.3N KMNO4…

A: Given data; a) Normality of KMnO4 = 0.3 N ; Volume of KMnO4 = 15.4 mL b) Total Volume of EDTA added…

Q: What is selective precipitation?  What is confirmatory test and its significance?  What are the…

A: In selective precipitation only specifically the one which is desired is precipitated in presence of…

Q: A 50.00-mL sample of water containing Ca2+ and Mg2+ is titrated with 10.28 mL of 0.01001 M EDTA in…

A: Given: Volume of water sample = 50.00 mL Concentration of EDTA = 0.01001 M Volume of EDTA at 1st…

Q: The % (w/w) I- (MM = 126.9) in a 0.5812-g sample was determined by Volhard titration. After adding…

A: We have given Mass of sample = 0.5812 g Molarity of AgNO3 = 0.06912 M Volume of AgNO3 = 50mL = 0.050…

Q: RbC7H5O2

A: 1) mmoles of WB = ( 50.00mL • 0.300molL-1 ) = 15mmol  2) mmoles of SA = ( 25.00mL • 0.200molL-1 ) =…

Q: It has been found the azide (N3-) forms an "insoluble" compound when in the presence of lead, which…

A: Pb(N3)2  =  Pb2+  +   2N3- if solubility is s then: Pb(N3)2  =  Pb2+  +   2N3-…

Q: Calculate the molar solubility of Ag2S in a solution maintained at pH 11.00 and where the…

A: The overall chemical equation of the given system and Koverall is calculated as shown below.

Q: Calculate the Esystem values after the addition of 45.00 mL of 0,0500 M HCIO3 to 25,00 m of 0,0400 M…

A: The solution is given below -

Q: _ In the titration why the colour changes from wine red to bue? 2_what are the harmful effects of…

A: Hello. Since more than one question has been asked, the first question shall only be answered in…

Q: From a 50.0 mL drink sample suspected to be spiked with cyanide (CN-), an 10.0-mL aliquot was taken…

A: A question based on concentration terms that is to be accomplished.

Q: 50 mL of 0.01 M M²+ is titrated with 0.01 M EDTA. Calculate the value of KMy2- so that when 49.95 mL…

A: EDTA forms stable, watersoluble,1:1 complexes with most of the polyvalent metal ions irrespective of…

Q: To 10,00 ml of 0,0500 mol/l solution of potassium bromide – 9,00 ml of solution of 0,05500 mol/l…

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Q: 23A 0.20 g sample of primary standard Na2C204 (134 g/mol) needed 37.22 mL of of KMNO4 solution to…

A: 1) Mass of Na2C2O4 = 0.2g Molar mass of Na2C2O4 = 134g/mol Volume  of KMnO4 = 37.22ml Molarity of…

Q: 50 cm3 of 0.05 M weak acid solution is titrated with 0.1 M NaOH solution. The measured pH values are…

A: Given: Volume of weak acid = 50 cm3 Concentration of weak acid = 0.05 M Concentration of NaOH = 0.1…

Q: A dried sample of commercial salt was prepared by a coning and quartering. A 0.911-g sample of the…

A: NaCl (aq) + AgNO3(aq) -----> AgCl(s) + NaNO3(aq) 1 mole AgNO3(silver nitrate) neutralizes 1 mole…

Q: Calculation at the equivalence point of a complexation titration: What is the pSr value of a 50.00…

A: Kindly get the answer given below.

Q: What is the pH of the solution that results from the mixing of 250.0 mL of 0.350M HCl and 100.0 mL…

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Q: In the titration of 25.00 ml of 0.1000 M AgNO, with 0.2000 M KSCN, Pafter the addition of 12.5 ml…

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Q: A PO4* in 100 ml water sample is precipitated as A93PO4 by adding 100 ml 0.2 M AGNO3. Then excess…

A: The chemical equations are:                                                         Molarity of…

Q: Standard Sodium Chloride Weighed mass of NaCl g in 250.0 mL Purity of NaCl = 100.03 % Molar…

A: Concentration of solution refers to amount of solute present in a given amount of solution or…

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: Is the standardization of titrant always the first step in all titrimetric analysis? Why or why not?

A: To find: If the standardization of titrant always the first step in all titrimetric analysis?

Q: 1.What the difference between primary and secondary standard substances? 2.Calculate the volume of…

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Q: Titration of 50.00 mL of 0.04715 M Na2C2O4 required 39.25 mL of a potassium permanganate solution.…

A: Given,                Volume of Na2C2O4 = 50.00 mL              Concentration of Na2C2O4 = 0.04715 M…

Q: In which of the following aqueous solutions will the Mn(OH)2 be least soluble? Ksp = 2.0x10-13 A.…

A: Adding a common ion decreases the solubility of a component, also known as common ion affect.

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: Calculation of the concentration of Zn2+ before addition of the titrant: Calculation of no. of…

Q: You have performed an iodimetric titration using a commercial vitamin C tablet. Based on the…

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Q: Use the titration curve for the weak acid to calculate the pH of a 0.150 Msolution of that weak…

A: Solution:   Equivalence point volume = Veq Half equivalence point volume = 1/2 Veq pH at half…

Q: If the molar solubility of PbCrO4 at 25 oC is 5.48e-07 mol/L, what is the Ksp at this temperature?…

A: Given,  a). If the molar solubility of PbCrO4 at 25 oC is 5.48e-07 mol/L, what is the Ksp at this…

Q: The Ksp of AgBr at 25°C is 5.0 x 10-13. a. Calculate the molar solubility of AgBr in pure water. i.…

A: