Which of the following does NOT form a 1:1 ratio with an EDTA molecule? O Li O Mg O Bi O Al

Q: Draw the following cis-decalin in the chair conformation. Draw both possible conformational isomers.…

A: Chair confirmation of cis and Trans decalin

Q: Explain how EDTA interacts with a metal? Why do we use it as a titrating agent? Why is EDTA a common…

A: Answer- EDTA is a versatile chelating agent. It can form four or six bond with metal ion and it form…

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: When the following molecular equation is balanced using the smallest possible integer coefficients,…

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

Q: Which form if EDTA is used in any analytical experiment? Why?

A: Ethylenediaminetetraacetic acid (EDTA) is used as a metal-chelating agent. It is a chemical that…

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

A:

Q: Complete the equations of the following reactions and balance them: K2Cr2O7 + H2S + H2SO4 ®  S +

A: Potassium dichromate reacts with hydrogen sulphide in the presence of sulphuric acid to form…

Q: 341 Brog name: Of jeduon riane of oxidicing agent formuba oF.idi

A: The addition of electrons or decreases in the oxidation state is known as a reduction reaction and…

Q: The absorption coefficient of O2 in seawater at 0°C is 1.7 mmol/L.What is the concentration of O2 if…

A: Given information,        The absorption coefficient of O2 in seawater at 0°C is 1.7 mmol/L.

Q: In cation exchange reaction, how many grams of K+ will replace 2 meq of Ca2+ if K+ has a atomic…

A: One mole is the atomic mass or molecular weight per liter of each cation or anion.  K+ = 39 g/mol…

Q: Should EDTA solutions be stored and kept long in bottle containers? Why?

A: Solution is made up of two components: solute and solvent. Solute which is present in major amount…

Q: A solution of FeSCN2+ has an absorbance of 0.237.  What is its concentration?

A:

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: The rare earth element gadolinium is often used as a contrasting agent for MRIs. The concentration…

A: The 8 measurements in increasing order are: 1.532 ppm, 1.535 ppm, 1.538 ppm, 1.539 ppm, 1.548 ppm,…

Q: For EDTA,what is meant by aY4- and how does it vary with pH?

A:

Q: What is the electron transfer of H2+O2=H2O

A: Redox reactions are the reaction involving the transfer of electrons between the reacting species.…

Q: eq• Calculate Keq-

A: 1. An equilibrium reaction is that reaction which can not go to 100% completion but is at a…

Q: A copy of your chemistry textbook is found to have a mass of 2.52 x 10³ grams. Using unit analysis,…

A:

Q: Why do heavy metals, like Hg2+ and Pb2+ , cause poisoning? How does an antidote, like milk or raw…

A:

Q: Which method are not the way to mitigate the risk of heavy metals? Increasing soil pH with lime O…

A: The presence of heavy metal ions in the soil can make the soil toxic for the growth and development…

Q: Chemical formula of Mg2+ and CO32-

A: Writing chemical formula of ionic compounds :- Electrical neutrality principle is used while writing…

Q: If heated to around 900°C, calcium carbonate undergoes decomposition. What are the products for this…

A: In a chemical reaction, one or more reactants are converted in to one or more products. There are…

Q: 1. How many Lewis base sites are present on each of the follo of the EDTA ion: a. H2Y2- b. HY3- с.…

A: The no .of Lewis base sites are as follows.

Q: Roles of carbon IV oxide in soft drinks

A: Carbon (IV) oxide is a chemical compound with the formula CO2. It is commonly known as carbon…

Q: What is the oxidation number of phosphorus in POCI3? VD] ΑΣΦ ?

A: The oxidation number of an atom in a molecule is the number of electrons that atom either gains or…

Q: Complete and balance the following equations: Na2O21s2 + H2O1l2 ¡

A: The given chemical reaction is, Na2O2s+H2Ol→

Q: If a solution of CaF2 (s) in water contains 6.0 x 103 moles of Ca2+ per liter and has a Ksp of 4.0 x…

A: Given: The Ksp of CaF2 = 4.0×10-11 The concentration of Ca2+ ions = 6.0×10-3 moles per liter We have…

Q: Which of the following is not a chelating agent? Oa ethylenediamine cyanide anion pe porphine…

A: We know that Chelation : bonding of ions and molecules to metal ions. It involves the formation of…

Q: When 18.0 mL of a 1.97x10-4 M sodium phosphate solution is combined with 25.0 mL of a 2.63×104 M…

A:

Q: What is the double replacement of Na2SO4 + Sr(NO3)2

A: Instructions To balance a chemical equation, enter an equation of a chemical reaction and press the…

Q: What is the ksp of Silver sulfate

A:

Q: What is the concentration of copper ions in a solution within a cuvette that has an absorbance value…

A: Given: The value of absorbance is 0.697. The value of molar absorbtivity is 6.833×103 L/mol·cm and…

Q: Draw the the structures of the reactants and the products according to the hybridization theory: (i)…

A:

Q: Chemical formula of NH4+ and CO32-

A: The NH4+ is the ammonium ion. It is a cation as it contains a positive charge. The CO32- is the…

Q: If nerves respond to electrical currents, why do you think putting aluminum foil on an amalgam…

A: Putting Aluminum(Al) foil on an amalgam (gray) filled tooth hurts because there sets an…