A sample containing an unknown concentration of FeCl3 is measured to have an absorbance of 0.43 at 334 nm in a 1.0 cm cuvet. What is the molar concentration of the solution e = 1925.93

Q: Calculate the mass of copper (I) sulfide that will completely dissolve in 1.0 L of water. The Ksp of…

A: Calculate the mass of copper (I) sulfide that will completely dissolve in 1.0 L of water. The Ksp of…

Q: Consider the following reaction: Al + 3KOH + 3H2C2O4 ∙ 2H2O → K3Al(C2O4)3 ∙ 3H2O + 6HO + (3/2)H2…

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Q: Why is Fe2+ used as an electron donor chiefly in acidic environments?

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Q: What type of reaction is 2AgNO3 + Cu  > Be(NO3)2 +2Ag

A: We have to identify the type of the given reaction.

Q: At 510 nm, the iron orthophenanthroline complex has a molar absorptivity of 1.2 x 104. What is the…

A: The concentration of irom complex can be determined by using Beer-Lambar law which is expressed…

Q: What is the percentage of Nickel in an ore if, when analyzed by the cyanide method, 20.00mL of KCN…

A: To find the percentage of nickel in the ore using the cyanide method, use the reaction between…

Q: What is the electron transfer of C8H18+O2=CO2+H2O

A: The total number of electrons transferred during a redox reaction is derived by separating a redox…

Q: To determine copper in a metallic alloy, 1.245 g of an alloy sample is dissolved in a 1: 2 mixture…

A: The molar absorptivity is determined by substituting 0.505 for A, 750 ppm for c, 1cm for l in…

Q: Auzure II is a dye with a molar absorptivity (ε657) of 8.13×104 L/mol·cm when measured at 657 nm.…

A: Given   Wavelength is 657 nm. Concentration is 4.50×10-6 M or 4.50×10-6 mol/L. Molar absorbtivity is…

Q: 1) Balance the following in acidic solution: (a) H2O2 + Sn²+ + H2O + Sn*+ (b) PŁO2 + Hg → H* + P&+…

A: Given: Some Reactions are given To find: Balance the given Reaction in acidic medium  Solution:…

Q: When Mn2+ is mixed with sodium bismuthate, what reaction occurs?

A: The reaction is as follows:

Q: You combine 100. mL of 0.100 M Fe(NO3)2 and 100. mL of 0.00125 M Na₂CO3. What is the concentration…

A: Concentration of Fe(NO3)2 = 0.100 MVolume of Fe(NO3)2 = 100.0 mLConcentration of Na2CO3 = 0.00125…

Q: The transition metal complex ion [Ru(Bipy)3]*2 has a molar absorptivity of 1.35x10*ª M-1-cm-1 (at a…

A: According to Beer Lambert's Law, A=ε.C.l where A is the absorbance, ε is molar absorptivity, C is…

Q: A solution is 0.100 M in both Mn2+ and Cd2+ ions. The pH is slowly increased by adding NaOH. Which…

A: Concentration of Mn2+ in the solution = Concentration of Cd2+ in the solution = 0.1 MpH is increased…

Q: Write the formula for the salt formed when three oxalate ions complex with Co(II), assuming that the…

A: A complex ion is made up of central metal atom together with the ligands. In this complex, cation is…

Q: What is the absorbance of a theoretical compound in a 5.26 x 10-5 M solution, a path length of 1.5…

A: The relationship between the absorbance and concentration is given by  A = ECl where A = absorbance…

Q: molar concentration of

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Q: +

A: In AlBr3, Al formed new Compound with SO4^2- ion in K2SO4 and K formed New Compound with Br- ion in…

Q: Choose all of the following that can function as a chelating agent. C2042- O NH2CH2CH2NH2 SCN O H20…

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Q: The piperazine content of an impure commercial material can be determined by precipitating and…

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Q: K2Cr2O7 + 7H2C2O4·2H2O → 2K(Cr(C2O4)2(H2O)2) + 6CO2 + 17H2O What is the theoretical percentage by…

A: According to question, Given reaction, K2Cr2O7 + 7H2C2O4·2H2O → 2K(Cr(C2O4)2(H2O)2) + 6CO2 + 17H2O

Q: When Ni(NO3)2 is dissolved in water it forms a light green solution. When ammonia is added to the…

A: The objective of the question is to explain the color change when Ni(NO3)2 is dissolved in water and…

Q: 1b. What weight in milligrams of potassium iodate would liberate sufficient iodine to consume 25.9mL…

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Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.