To 50 ml of solution containing Zn2+ 0.0010 mol / L was added 30 ml of a 0.0020 mol / L EDTA solution at pH = 9.0. Calculate the pZn in the solution resulting.

Q: A solution of HClO4 was standardized by dissolving 0.4008 g of primary-standardgrade HgO in a…

A: In titration process the titrant is consists of standard solution having known concentration. Here…

Q: ps 27. A solution contains 0.0497 M SO4 (aq) and 0.0894 M CO32 (aq). If Ag+ (aq) ions are slowly…

A: To determine which compound precipitates first and at what concentration of Ag⁺, we need to compare…

Q: Find the cell voltage for 0.1 and 30.0 mL of titrant

A:

Q: 5. Calculate the concentration of Pb in a solution saturated with PbSO,. Ksp for PbSO, is 2 x 10%.…

A: Given Ksp = 2 x 10-7

Q: Calculate the volume of 0.0477 M EDTA needed to titrate the Ca in a 0.1715 g CaCO, (MM = 100.0869…

A: Ca2+ forms a 1:1 complex with EDTA  Zn2+ also forms a 1:1 complex with EDTA  So, 1 mole of Ca2+ or 1…

Q: 6mL of 125mM EDTA was added to 244mL of water.  The resulting solution was added to 219mL of water…

A: MW of EDTA =292.24 g  initial molarity of EDTA = 125mM

Q: Whats is the optimum pH range for Aluminium coagulant ?

A: A coagulant is a chemical substance that is added to water in order to cause small particles in the…

Q: moles

A:

Q: A 50.00 mL 0.750 M KOH(aq) is added to a 100.0mL 0.500 M CH;COOH/NACH;CO0 buffer. What is the…

A:

Q: 1) A solution of Sn(NOs)2 of unknown concentration can be titrated with a solution of acidified KMnO…

A: The answer is given below:

Q: OFROH Fe What is the predicted stable phase if the pH of a soluti Pick the best answer by consulting…

A: The objective of the question is to determine the stable phase under specific  and voltage…

Q: A 1.000-g sample containing KHC204, H2C204, and impurities required 38.22 mL of 0.1000 M NaOH for…

A: The answer is 1.582 m moles of KHC2O4

Q: Compare the two quantities based on the given condition: a of H3Y of 0.10 M EDTA solution I. at pH…

A: EDTA has 4 removable protons with the below Ka values H4Y ⇌ H3Y-(aq) + H+(aq) ; K1 = 1.02*10-2…

Q: pH meter. Electrode Unbuffered Buffer Unbuffered Buffer H,O pH 7.0 H,O pH 7.0 Add 1 mL 0.1 MHCI Add…

A:

Q: Two aliquot of a water sample is titrated against a strong acid using phenolphthalein and…

A: Introduction :  Phenolphthalein is used as an indicator it turns colourless into acidic medium and…

Q: to Y16! What weight of sample which contains 56.15 per cent Cl was taken for analysis if the…

A: Ag+ + Cl- -------> AgCl(s) Mass of AgCl ppt = 0.5017 g Molar mass of AgCl = 143.3 g/mol moles of…

Q: A 25.00 ml. solution of 0.08570 M Nal is titrated with 0.05020 M AGNO,. Calculate pAg* following the…

A:

Q: in text form with proper workings and explanation for each and every part and steps with concept and…

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Q: 9. A solution with a pOH of 8.50 at 25°C has a pH of

A: pH and pOH shows the acidic and basic measure of any solution or substance. pH = -log [H]+pOH = -log…

Q: 0.4515-g sample of solid containing a mixture of only CuSO4 SH:O and Hg(NO:) equired 29.52 mL of…

A: Given- Molarity of KSCN = 0.1133 M volume of the KSCN = 29.52 mL Reaction of CuSO4 and KSCN ;…

Q: A sample of water (200 mi.) was titrated by 0.05 M HZS04, The bitration completed when the color…

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Q: B. Standardization of KMnO4 Mass of Na2C₂O4 Weighing bottle initial mass Weighing bottle final mass…

A:

Q: determine the solubility in mol / liter of Ag2CrO4 silver chromate if the value of the silver…

A: Recall the dissociation of Ag2CrO4        Ag2CrO4→2Ag+ + CrO42-Let solubility of Ag2CrO4 is s mol/L…

Q: Suitable treatment of a 2.566 g soil sample converts all arsenic to AsO43-. 50.00 mL of 0.082 M Ag+…

A: To calculate the percentage of As in the sample, we need to first calculate the number of moles of…

Q: Qq) Estimate the pH of abuffer made by adding 1ogm NäHCo, to 250 ml of asotution which is Saturated…

A:

Q: What is the activity coefficient of H* in a solution containing 0.026 M HCl and 0.0080 M Ca(CIO)₂?…

A: Concentration of HCl=0.026 M Concentration of Ca(ClO4)2=0.0080M

Q: Of the following solutions, which has the greatest buffering capacity? 0.821 M HC,H30,and 0.713 M…

A: Buffer capacity = 2.303 ( a × b )( a + b )  Buffer capacity is maximum for solution having maximum…

Q: A buffered solution of 0.0570 M Sbo* and 0.0200 M Cd²+ was prepared with a pH of 2.70 at 25 °C. Sbot…

A:

Q: Q7) what is Hhe pH at the equi valent point in the titration of 5 mmol Pota ssium acid phthalate…

A:

Q: A buffer solution consists of 0.15M C6H5COOH and 0.50M C6H5COONA. The pH of the solution is 5.0. The…

A: Buffer solution: The buffer solution is an aqueous solution consisting of a mixture of a weak acid…

Q: Consider that the determination of potassium iodide (MM-166.00 g/mol) from a food supplement was…

A: Given the mass of the sample containing potassium iodide(KI) taken for analysis = 0.5240 g The…

Q: CuBr is dissolved in water and the following concentrations were found: [Cu+]=1.06*10^-6 M and…

A: Solubility Product : It is generally an equilibrium constant , also it is defined for a solid…

Q: The landfill manager suggested using HI with NaI as a buffer to minimize pH changes. Do you agree…

A: A buffer solution is a solution whose pH does not change by adding small amount of acid and base.

Q: For water having a total alkalinity of 1.00x10^-3 mol/L and a pH of 10.34 what is the percentage…

A: Given: Total alkalinity of water = 1.00 × 10-3 mol/L pH = 10.34

Q: A 1.000 g sample containing chlorides, iodides and inert materials was treated with dilute nitric…

A: When chloride salt will dissolved in silver nitrate solution, it will form silver chloride…

Q: The Ka expression for the H, PO,/HPO;- buffer is given Ionic strength (µ, M) 0.005 0.010 0.050 0.10…

A:

Q: Which of the following anions will separate barium ions from calcium ions most effectively by…

A: Precipitation reactions are those reaction in which a highly insoluble salt is formed as the…

Q: None

A: Step 1 Step 2 Step 3 Step 4

Q: The Zn in a 0.6803-g sample of foot powder was titrated with 27.3 mL of 0.04246 M EDTA. Calculate…

A: To calculate the percentage of zinc in the foot powder sample, use the EDTA titration. First…

Q: What is the pH at the equivalence point in the titration of a 20.9 mL sample of a 0.429 M aqueous…

A: The solution is given below -

Q: 3+ The redction Fe + Ce + Ce IS rapid and reversable cit equilibrium throughout the titration, thus…

A: The reaction is                              Fe2+ + Ce4+ <------> Fe3+ + Ce3+ This reaction…

Q: buffered at pH 10 and after a ddition of Eriochrome Black T required 1 1 mL of 0.00499 M EDTA for…

A: We are given 100 mL sample of drinking water was buffered at pH 10.  Erichrome black T was added and…

Q: The ionization constant(s) and the molecular weight of a 0.542 g sample of unknown acid were…

A: In order to find the ionization constant or Ka value(s) of the acid, we have to plot pH versus…

Q: Calculate the equilibrium concentrations of Fe3+, Fe2+, Mn2+, MnO4– in a solution prepared by…

A: The question is based on the concept of electrochemistryWe need to calculate concentration of each…