iron content of iron ore can be determined by titration with KMnO₄ according to the equation 8H⁺(aq) + MnO₄⁻(aq) + 5Fe²⁺(aq) → 5Fe³⁺(aq) + Mn²⁺(aq) + 4H₂O(l) A sample of iron ore with a mass of 1.535 g was dissolved with HCl and then treated with a reducing agent to convert any Fe³⁺ in the ore to Fe²⁺. Titration with 0.0455 M KMnO₄ solution required 59.15 mL of the solution to reach the endpoint where the purple MnO₄⁻ ion was no longer being consumed. The molar mass of Fe is 55.85 g/mol. Determine the mass percent iron in the ore

Q: The quantity of antimony in a sample can be determined by an oxidation-reduction titration with an…

A: The objective of the question is to determine the mass and percentage of antimony in the sample.…

Q: Balance the following oxidation-reduction reaction as if it were to occur in a basic solution. I(aq)…

A: Rules of redox reaction in basic medium: 1. Redox reaction is divided in oxidation and reduction…

Q: The following chemical reaction takes place in aqueous solution: Cu(NO,),(aq)+2 KOH(aq)…

A:

Q: To measure the amount of iron in a certain type of iron ore, an analytical chemist dissolves a…

A: To solve this question, first, we need to find out the moles of KMnO4 titrated. Then using mol to…

Q: To measure the concentration of an aqueous solution of H2O2, an analytical chemist adds strong acid…

A: In this reaction,  permanganate ion is reduced and hydrogen peroxide is oxidized. so this is redox…

Q: The quantity of antimony in a sample can be determined by an oxidation-reduction titration with an…

A: Solution: Sb3+ reacts with bromate in 1:3 mole ratio i.e. 3 mol bromate ion reacts with 1 mol Sb3+.

Q: determined by titrating it with a 0.1342 M Ce4+ solution. The balanced net ionic equation for the…

A: Given-> Molarity of Ce^4+ = 0.1342M Volume of Ce^4+ = 19.33 ml Volume of H3AsO3 = 25.00ml

Q: In the following reaction, which species is being (i) reduced and which one is being (ii) oxidized?…

A: Species whose oxidation number increases is being oxidized and the species whose oxidation number…

Q: Sr(NO3)2 (aq) + KF (aq) →? How many grams of strontium fluoride can be precipitated from 63.56 mL of…

A:

Q: Calculate the initial ferric ion concentration, [Fe*]o, in the reaction mixture obtained by…

A: Given: Volume of Fe3+ = 2.00 mL Concentration of Fe3+ = 0.00218 M Volume of SCN- = 500μL = 0.5 mL…

Q: In the following reaction, which species is the reducing agent? 3 Cu (s) + 6 H* (aq) + 2 HNO3 (aq) →…

A: Reducing agent The element which gets oxidised acts as a reducing agent. Given 3Cu (s) + 6H+ (aq) +…

Q: The concentration of Fe2+ in a solution is determined by titrating it with a 0.1683 M dichromate…

A: Recall the balanced net ionic equation,                                    Cr2O72- aq + 6 Fe2+ aq…

Q: In the following reaction, what is the reducing agent? Fe2+(aq) + Ce*+(aq) → Fe3+ (aq) + Ce³+(aq)

A: Reducing agent :-  A species which reduces the other but itself undergo oxidation is called reducing…

Q: ple of an iron ore is dissolved in acid, and the iron is converted to Fe2+. The sample is then…

A:

Q: The quantity of oly in anl ore dissolved in hot, concentrated acid and passed over a reducing agent…

A:

Q: Balance the equation Mn0, (aq) + CI (aq) Mn2+ (aq)+ HC10 (aq)

A:

Q: 5. For each of the following reactions, write the oxidation half-reaction equation, the reduction…

A: In the reaction Cu2+ (aq) + Pb(s) → Pb2+ (s) + Cu(s), the oxidation half-reaction is the process…

Q: What element is being  oxidized in the following redox reaction?  C 10H 22O 2( aq) + LiMnO 4( aq) →…

A: In this question, we want to determine which Element is Oxidized in the given redox Reaction.  How…

Q: Consider the following (unbalanced) net lonic equation: Mn²+ (aq) + BiO3(aq) MnO(aq) + Bi³+ (aq)

A:

Q: For each of the following reactions: write the half reactions, designating which is oxidation and…

A: In the reaction, that reagent oxidises another, is called oxidising agent  Whereas, that reagent…

Q: РЫ(ОН)д (аq) 2- + CIO (aq) > РЬО2 (s) + Cl* (aq)

A:

Q: To analyze an iron-containing compound, you convert all the iron to Fe²+ in aqueous solution, and…

A: Given equation: MnO4-(aq) + 5Fe2+(aq) + 8H3O+(aq) → Mn2+(aq) + 5Fe3+(aq) + 12H2O(l) The mass of the…

Q: The quantity of antimony in a sample can be determined by an oxidation-reduction titration with an…

A: Unbalanced reaction : BrO3-(aq) + Sb3+(aq) → Br-(aq) + Sb5+(aq)

Q: Balance the following reaction in basic solution. Cr(OH)3(s)+ClO3−(aq)→ CrO42-(aq)+Cl−(aq) Fill in…

A: Redox reaction are those in which both oxidation and reduction reaction occurs simultaneously.

Q: For each of the following reactions: write the half reactions, designating which is oxidation and…

A:

Q: 5. For each of the following reactions, write the oxidation half-reaction equation, the reduction…

A: In the reaction Cu2+ (aq) + Pb(s) → Pb2+ (s) + Cu(s), the oxidation half-reaction is the process…

Q: The concentration of SO42–(aq) in a sample of river water can be determined using a precipitation…

A: Sulfate ions are naturally found in hard water as they dissolve from sulfate-containing minerals.…

Q: In the following Single Replacement reaction 3 Zn (s) + 2FeCl2 (aq) --> 3 ZnCl2

A: The reactions in which oxidation and reduction reactions takes place simultaneously is called Redox…

Q: The amount of 15 (aq) in a solution can be determined by titration with a solution containing a…

A:

Q: The following chemical reaction takes place in aqueous solution: 2 AgF(aq)+(NH,),CO;(aq)…

A:

Q: A student conducts a redox titration to determine the grams of iron in an iron-containing sample.…

A:

Q: Balance the following reaction in acidic solution. Cr2O72-(aq)+HNO2(aq)→Cr3+(aq)+NO3−(aq) Fill in…

A: A balanced reaction reaction has equal number of atoms on both the reactants and the product side. A…

Q: The amount of 13 (aq) in a solution can be determined by titration with a solution containing a…

A: The given information from the question is:Volume of Na2S2O3 (aq) used in the titration = 38.2…

Q: The quantity of antimony in a sample can be determined by an oxidation-reduction titration with an…

A: Given  Mass of sample = 6.05 g Volume of KBrO3 = 23.7 ml Molarity of KBrO3 = 0.145 M Standard values…

Q: Payalben

A: Given: masssample=7.91g;V=33.3mL;[BrO3−​]=0.135M;MSb​=121.76g/molStep 1: Write the…

Q: The Fe2+ (55.845 g/mol) content of a 2.433 g steel sample dissolved in 50.00 mL of an acidic…

A:

Q: To measure the amount of iron in a certain type of iron ore, an analytical chemist dissolves a 46.0g…

A:

Q: The concentration of Sn²+ in a solution is determined by titrating it with a 0.1798 M Ce¹+ solution.…

A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…

Q: The following reaction occurs when two aqueous solutions are mixed: Cr(NO3)3(aq) + 3NaOH(aq)   →…

A: Ionic Equation :- In such chemical equation, we write all ions that reacted in the reaction. Net -…

Q: To measure the amount of iron in a certain type of iron ore, an analytical chemist dissolves a…

A:

Q: Balance the "molecular" equation f

A: According to the Law of Conservation of mass "all atoms of various elements in a chemical reaction…

Q: A 25.0 mL sample of an electroplating solution is analyzed for its sulfuric acid H₂SO₄…

A: The equation to calculate the unknown values from known values is given by M1V1=M2V2 where M is the…

Q: Balance the following MnO4 (aq) + Fe2+ (aq) → Mn²+ (aq) + Fe³+(aq) oxidation-reduction reaction…

A:

Q: 2MnO₂ + 3S0₂² +20H3SO, +2MnO + H₂O In the above redox reaction, use oxidation numbers to identify…

A: The element for which there is increase in oxidation number will get oxidised while the element for…

Q: A sample of HBr(aq) solution having concentration of 2.000 M of unknown volume was titrated with…

A: Molarity (M1) of HBr=2.00M Let Volume of HBr = V1 Molarity (M2) of KOH=1.00 M  volume of KOH=80ml…

Q: 5. What is the concentration of NaCl in a solution if titration of 15.00 mL of the solution with…

A: Molarity of a solution is equal to the number of solute present in one litre of solution. Write the…

Q: In the following reaction which occurs from left to right: 3 Cu2*(aq) + 2 Fe(s) → 2 Fe3*(aq) + 3…

A: Introduction: Oxidation: Oxidation is the loss of electrons or hydrogen atoms or gain of oxygen…

Q: Balance the following equation, in basic solution, ClO4− (aq) + C6H14O4(aq) → Cl−(aq) + HCO3− (aq)

A:

Q: If the absorbance of a solution of copper(II) ion decreases by 30.00% upon dilution, what volume of…

A: Absorbance of a solution is directly proportional to the concentration of the solution. On dilution,…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.