20. An excess of AgNO3 reacts with 185.5mL of an AlCl3 solution to give 0.325 gof AgCl. What is the concentration, in moles per liter, of the AlCl3 solution? AlCl3 +3AgNO3 =3AgCl +Al(NO3 )3

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: What is the % of Cr in a sample of chrome-iron ore

A:

Q: A 0.3311 -g sample of pure iron (55.847 g/mol) wire was dissolved in acid, reduced to the +2 state,…

A: We need to find molar concentration of cerium ion.

Q: Calculate the equilibrium constant for the following reaction at 25°C: Fe2 (aq) + 2Ag(s) Fe(s) 2Ag…

A:

Q: 9. What volume of a silver nitrate solution that contains 10.98 g of primary standard AgNO; in 1.00…

A: Mass of AgNO3 = 10.98 g Volume of primary standard AgNO3 = 1.0 L Mass of Na2CrO4 =  0.259 g

Q: Vanadium could be oxidized to vanadium (II) ions thru the action of zinc powder and an acid True or…

A: Oxidation is a process that involves  loss of electrons and reduction is a process that involve gain…

Q: Cuag) + NO2(9) in acidic solution Сu(s) + NO3 (aq) (aq)

A:

Q: When 1.95 g of Co(NO3)2 is dissolved in 0.250 L of 0.220 M KOH, what are [Co2+], [Co(OH)42−], and…

A: When 1.95 g of Co(NO3)2 is dissolved in 0.250 L of 0.220 M KOH,  [Co2+], [Co(OH)42−], and [OH−] are…

Q: Calculate the equilibrium constant for the reaction between Zn metal and Co2* solution: Zn + Co2+…

A: Given reaction is :  Zn + Co+2 ⇌ Zn+2 + Co  To determine equilibrium constant we need to determine…

Q: 1. Write the balanced molecular equation for the reaction of the CuSO4 with ammonia to form…

A:

Q: solution is prepared in which 0.0400 mol each of Ce4+, Ce3+, Fe2+ and Fe3+ is dissolved in a 2.00 L…

A:

Q: 1. Write a balanced net ionic equation for the reaction between iron (III) nitrate and sodium…

A:

Q: Define the term nonzero oxidation states?

A: Oxidation state or oxidation number depicts the charge carried on a chemical atom in order to make…

Q: Which ion can be most easily reduced? O a. Zn2+ O b. Ca2+ O c. Cu2+ O d. Fe2+

A:

Q: 1. What color of precipitate is produced when Na₂O₂ oxidizes Co(OH)₂? 2. What is the product of the…

A: As per our company guidelines we are supposed to answer only three questions.kindly repost remaining…

Q: When the following redox equation is balanced under acidic conditions with the smallest whole-number…

A: Cr3+(aq) +Cr(s) →Cr2+(aq)Reduction half reactionCr3+(aq) →Cr2+(aq)On LHS total positive charge =…

Q: Calculate the volume of 0.10 M SnCl2 required to reduce the iron in a 0.50g simple that contains 20%…

A: Here we have to determine the volume of 0.1M SnCl2 needed to reduce 0.5 g of sample that contains…

Q: 4. Write the valence electron configuration and the oxidation states for: a. 38Sr b. 51Sb

A: Electronic configuration of 38Sr is  1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s2 so, valance electron…

Q: A sample of pyrolusite weighing 0.6000 g is dissolved in a solution containing 5.00 mL of 6.00 N…

A: The oxidising power can be determined by the moles of electrons consumed in the reaction as…

Q: Identify the OA and RA. Balance the reaction. 1. S,0,2- + 103 + CI → SO,? + ICl, (acidic) • 2. CN- +…

A:

Q: Can you compare the solubility of Co2 in water compared with saturated NaCl solution?

A: solubility of Co2 in NaCl solution is less than in water increases with the temperature and…

Q: 1. The chemical reaction for biocalcification is: Ca2+ + 2 HCO?=CO2 + CaCO3 + H2O Using this…

A: Biocalcification is related to the accumulation of calcium carbonate to form hard tissue. Oceanic…

Q: 6. A mixture contains at least one of the ions in the silver group (Ag*, Hg²*, Pb²*). Read the…

A: The qualitative analysis of the metal ions involves the identification of metal ions that are…

Q: Redox Titration Curve Consider the titration of 100.00 mL of 0.0100 M Ce4+ in 1.00 M HClO4 by…

A:

Q: Which of the following is the source of common salt?   A.  BauxiteB.  PyriteC.  CalciteD.  Halite

A: Common salt is Sodium chloride.  It is also known as table salt or rock salt.  NaCl is the chemical…

Q: Which group of ions will be precipitated be precipitated with (NH4)2CO3  or (NH4)2 HPO4  in acid…

A: Ammonium carbonate or ammonium phosphate forms the precipitate as carbonate or phosphate.

Q: To oxidize the iron in 1.00 gram of FeSO4·(NH4)2SO4·6 H2O requires 5.00 mL of HNO3. (Fe 2++ NO3― +…

A: The concentration of the solution provides information about the quantity of the substance present…

Q: The photographs below (a) show what occurs when a solution of iron(III) nitrate istreated with a few…

A:

Q: 0.683 grams of iron mineral dissolves with acid. Fe2+ is titrated with Ce(SO4)2 solution. Calculate…

A:

Q: Directions: Solve the problem with a complete step-by-step solution. A 0.8040-g sample of iron ore…

A: A 0.8040 g of iron ore is dissolved in an acid. The Fe2+ is titrated with 47.22 mL of 0.02242 M…

Q: 0.405 g of CaCO3 is dissolved in HCl and diluted to a volume of 250.00 mL. What is the molarity of…

A:

Q: What is the oxidation number of Cl in CIO3? -1 +6 +5 -6

A: oxidation number, also called oxidation state, the total number of electrons that an atom either…

Q: You have 10 mL of an 8% aqueous solution of H2Cl6Pt. (a) Calculate the platinum in this solution as…

A: Given data, Volume of solution = 10mL = 0.010L Concentration of solution = 8% Density of solution =…

Q: Iron(II) can be oxidized to iron (III) by permanganate ion in acidic solution. The permanganate ion…

A:

Q: 9. Which cannot be oxidized by hot acidic KMNO4? 10. Two molecules of this compound cannot exhibit…

A: A question based on properties of chemical compounds, which is to be accomplished.

Q: 1. Write and balance chemical reactions that happen when Pt is dissolved using aqua regia forming…

A: The chemical reaction for the formation of H2PtCl6 is given below

Q: In the determination of iron in limonite, 0.5166 g of mineral is dissolved in acid and Fe2 + is…

A: Molarity of solution is equal to the number of moles of solute divided by the volume of solution in…

Q: The oxidation of 22 mL of a solution containing Fe2+ requires 27 mL of 0.0345 M K2Cr2O7 in acidic…

A:

Q: Calculate the volume of 0.10 M SnCl, required to reduce the iron in a 0.50g sample that contains 20%…

A: The volume required of SnCl2 = 5.6273 mL.

Q: A sample of a substance whose only oxidizable material is tin in the +2 state, is   titrated with a…

A: Titration- According to the definition of titration, it is "the method of estimating the amount of a…

Q: 1. Write the equations of the reactions. Write the electron balance and put the coefficients and…

A:

Q: Fe = 55.8; S = 32; O= 16; H 1 %3D 10 10g of an impure iron(11) salt were dissolved in water and made…

A: Answer :-  a) MnO4–(aq) + 8H+(aq)  + 5Fe2+(aq) →  Mn2+(aq) + 5Fe3+(aq) + 4H2O(l)…

Q: What is A GU per mole of dichromate ions for the reduction of dichromate ions, Cr 20 72-, to Cr 3+…

A:

Q: The amount of iron in a meteorite is determined by a redox titration using KMnO4 as the titrant. A…

A: The ratio of mass of solute to the mass of solution multiply by 100 is known as %w/w.

Q: During bad storage of cement the alkalis in the cement react with CO2 to form alkali carbonates,…

A: A cement is a substance that is used for construction that sets, hardens, and adheres to other…

Q: A sample of an industrial waste water is analyzed and found to contain 27.0 ppb Cr³+. How many grams…

A: Given that -  ppb Concentration of Cr3+ in industrial waste water = 27.0 ppb  Total mass of waste…