The maximum safe [Ba2+]=1.5x10-5M. Maintaining 1.0x10-3M levels for each of the anions below would ensure that this level is achieved except (Ksp of BaF2=1.7x10-6, BaCO3=5.9x10-9, BaC2O4=7.4x10-14, and BaSO4=1.1x10-10) A SO42- B C2O42+ C CO32- D F-

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A: The objective is to determine the pKa of phenyhydrazine hydrochloride. Give Data:pH is 8.13.…

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A: In this titration ,the absorbance is measured is used to locate end point.

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Q: 12-G. Iminodiacetic acid forms 2:1 complexes with many metal ions: CH2CO;H H2N = H3X* CH2CO3H ax2 =…

A:

Q: 1

A: Mass of CaCO3 = 0.4676 gram Molar Mass of CaCO3 = 100 g/mol Moles of CaCO3 = 0.4676/100 = 0.004676…

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Q: Calculate the concentration of acid in each buffer solution. The pKa of acetic acid is 4.745. Sample…

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A:

Q: A 50.00-mL aliquot of solution containing 0.358 of MgSO4 (FM 120.37) in 0.500 L required 38.08 mL of…

A: Solution - According to the question - Given - Total Moles of Mg2+ = moles of MgSO4 = mass/molar…

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A: The data for the reaction between Fe2+ and 1,10-phenanthroline is provided.

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A:

Q: Why is it better to use the ±0.0001 g balance in AS 211 than the one you used in CHM 151 (goes to…

A: it better to use the ±0.0001 g balance in AS 211 than the one you used in CHM 151 (goes to ±0.01 g)…

Q: ADDED REAGENT(S) OBSERVATIONS NaOH White ppt Excess NaOH Ppt dissolved NH3 White ppt Excess NH3 Ppt…

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Q: Data for the preliminary tests for each metal are included below. If a precipitate was formed, the…

A:

Q: What is the mass percent of XeF₄ in the isolated product mixture (XeF₄ + XeF₆)

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Q: 9) Cr³+ reacts slowly with EDTA (Y4-) so it is usually analyzed using back-titration. A 100.0 mL…

A: CaCl2(aq) is a source of Ca2+(aq) that reacts with EDTA(Y4-).  The balanced equations for the…

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A:

Q: 12. What is the net charge on the following molecule at pH 13.0? The pKas for all dissociable…

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Q: 2) Complete the mssing n rlearsumbolinthccacati Delow. 26tct ->26te

A:

Q: 2. Explain the difference between "ion product" and Kep. What conditions are necessary for the ion…

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Q: A 25.00 mL sample containing an unknown amount of A13+ and Pb2+ required 20.51 mL of 0.04633 M EDTA…

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Q: Based on the chemical reactions provided, which of the following is equivalent to KCa-EDTA? a.…

A: Equilibrium constant, K :-  The ratio of product of equilibrium concentrations of Products to…

Q: 14. The man spoctrometer tace for agoesim shows peaks at mass pointa 24, 25 and 26 in tio 1:l…

A: Relative atomic mass of Magnesium can be calculated as follows, Ratio of atomic masses 24,25,26…

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A:

Q: Using the reagents, prepare 100mL solution with a concentration of 25.0 mM Tris buffer at a final pH…

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A: As per the Beer's law the Absorbance has directly proportional relation with the length of tube ,…

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A: Given Data:Kd (Dissociation constant) of a receptor = 5 x 10-7 MTo determine: value for a compound…

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A: To Find: To find the moles of I3- are created by the reaction.

Q: Calculate the mass of disodium EDTA (FW 372.25) needed to make 500-mL 0.015 M solution of EDTA. What…

A: To calculate the mass of disodium EDTA required to prepare 500 mL of 0.015 M solution of EDTA.

Q: Consider the dissolution of the compound X2Y3, which gives X2Y22*, X2Y4+, X2Y3 (aq) and Y2. What is…

A:

Q: Prepare a written copy of the complete separation scheme for a solution that contains Ag+, Fe3+,…

A: At first Hcl is added,and Agcl precipitate formed and Ag+Separated. Then the cation solution treated…

Q: What is the identity of Cation F?

A: Upon adding 3 M HCl solution, there is no ppt. formation in F. Thus F must not belong to group 1.…

Q: A 0.937-g sample containing Ca2+ was dissolved to produce a 500-mL stock solution. A 50-mL aliquot…

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Q: Which reagent directly reacts with substance to be titrated? Method – bromometry: Br2: I2; KBr;…

A:

Q: Synthesis of a nickel schiff base complex: nickel(II) acetate tetrahydrate + pyrrole-2-aldehyde was…

A: The reaction mechanism for the synthesis of the nickel Schiff base complex can be summarized as…

Q: The Ksp for CoCO3 = 1.0 × 10–10 and the Ksp for PbCO3 = 7.4 × 10–14 . When Na2CO3 is added dropwise…

A: Given : Ksp of CoCO3 = 1.0 X 10-10  Ksp of PbCO3 = 7.4 X 10-14  Concentration of Co2+, [Co2+ ] =…

Q: A solution of RNA with a concentration of 40 ugmL-1 has an absorbance at A260 of 1.0. What is the…

A: Given: When absorbance is 1, concentration is 40 ug/ml. 1. When absorbance is 0.65, concentration…

Q: 02) Consider the titration of 20.00mL of a Ca2+0.0250mol/L solution with 0.0500mol/L EDTA. The Ca2+…

A: 2)given, initially the volume of Ca2+  = 20.00 mL concentration of Ca2+ = 0.0250 mol/L concentration…

Q: The following cell was found to have a measured potential of 0.42 V: SCE||Ba2+(1.0x10-4)|membrane…

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Q: Find the Ksp of  distilled water with Mg(OH)2 as its salt (solubility:1.51121E-05 M) MgCO3 as its…

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Q: excess Br2 excess OH

A: Reaction 1 is Haloform reaction it gives gives and Bromoform. Reaction gives only alpha bromination…

Q: A solution is made by dissolving 22.5 g of LiC;H;O2 in 500.0 mL of water. What is the value of Kb…

A: Mass of LiC3H5O2 = 22.5 g Volume ( in L ) = 0.500 L No. of moles (n) = 22.5 g × 1 mol / 80 g =…

Q: Make an ICE table and find equilibriun Concentration jt Kq = 100 Ź if KG =10 Equation: L-DOPA +…

A: Using the ICE table we can calculate the equilibrium concentrations.

Q: Calculate the pH of a buffer solution containing 10.0 cm³ of 0.100 mol dm-³ NaOH and 20.0 cm³ of…

A: 1 dm^3 = litre  1 cm^3 = milli litre  Millimoles = molarity (mol/L)* volume (in ml)

Q: [References) Use the References to access important values if needed for this question. In the…

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Q: Solid Na2S is slowly added to a solution of 1.0 x 10-3 M Cr3+ (with no change in volume). At what…

A: This can be explained as:

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A: During the balancing of any chemical reaction, the law of conservation of mass is followed. It…