1. Balance the following reaction equation in acidic solution: Mn0, + Crag) Mnag) 2 + Cr20, Caq) (aq)

Q: Hardness in groundwater is due to the presence of metal ions, primarily Mg2+and Ca2+. Hardness is…

A: Hardness in groundwater is because of the presence of metal particles, essentially Mg2+and Ca2+.…

Q: (iii) Write the equilibrium constant for the following chemical reaction +2 Mn -0+ H,0 MnO, +2H* 2

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Q: MnO4-(aq) + H2O2(aq) -> Mn2+(aq) + O2(g) a) Balance the equation under acidic conditions. b)…

A: To solve this problem we have to first determine the oxidation state of elements then we identify…

Q: 1) The following reaction was allowed to reach equilibrium at 25oC. Enclosed with the phase of each…

A: Since you have asked two question, we will solve first one for you. If you want other question to be…

Q: Complete and balance the following oxidation–reductionreaction in basic solution:Cr(OH)3(s) +…

A: Cr(OH)3(s) + ClO-(aq)---->CrO42-(aq) + Cl2(g)

Q: Write the balanced NET ionic equation for the reaction when aqueous KBr and aqueous A9C2H3O2 are…

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Q: a three step process is required in order to determine the concentration of NO3- in a basic…

A: A) Balanced equations for each process:1) Zinc metal reduces Nitrate ions into ammonia in basic…

Q: What happens when too much NaSCN is prepared in solution of mixtures of standard solutions of…

A: Fe3+ (from Fe(NO3)3 and SCN- ions (from NaSCN) react to form a complex.

Q: A sample of impure tin of mass 0.530 gg is dissolved in strong acid to give a solution of Sn2+Sn2+.…

A: Answer: To solve this question we have to convert the moles of NO3- into moles of tin by using…

Q: Calculate the number of moles Na2C2O4 used in each of the three samples. Calculate the concentration…

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Q: Sn3(PO4)2 solution is to be subjected to argentometric titration, a) Write the balanced titration…

A: Balanced Chemical Equation: Sn3(PO4)2 (aq) + 6AgNO3 (aq) ———> 2Ag3PO4 (s) + 3Sn(NO3)2 (aq)…

Q: Given the equation…

A: Given, Mass of AgCl = 669mg = 0.669g Volume of the solution = 100 mL = 0.100 L Ksp for AgCl = 1.77 ×…

Q: 0.28g 0f MBr is dissolved in distilled water and made up to 250mL mark in a volumetric flask. 25 mL…

A: The titration  of MBr by AgNO3 is a double-displacement reaction, which is given by,…

Q: the con- 2. Given the following two reactions and their equilibrium constants: LOT Cu(H,O),*(aq) + 4…

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Q: In a redox titration, 20ml of Fe(II)SO4 was completely oxidised by 12.5ml of 0.02mol/L acidified…

A: A numerical problem based on redox reaction, which is to be accomplished.

Q: (i) Define pH in words. The strong acid HCla has a pH value of 1, use the following equation HCL ->…

A: We have to define pH and find the concentration of H+ ion

Q: A stainless steel alloy is to be analyzed for its chromium content. A 3.30 g sample of the steel is…

A: Given Mass of sample steel = 3.30 g volume of solution = 250 ml Mass of BaCrO4 = 0.145 g M.m (molar…

Q: Calculate the initial thiocyanate ion concentration, [SCN-]o, in the reaction mixture obtained by…

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Q: A 0.8040 g sample of an iron ore is dissolved in acid. The iron is then reduced to Fe²+ and titrated…

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Q: 5. What concentration of acetate ion (CH3CO2') in 0.500 M CH3CO2H produces a buffer solution with pH…

A: a solution which resist in ph change value upon addition of small amount of strong acid or base…

Q: important values if needed for this question. Consider the insoluble compound silver chloride, AgCl.…

A: Given, Ag(CN)2- , Kf=1.3×1021

Q: A waste water containing Fe(HCO3) 2 is discharged to a surface pond. Assuming complete oxidation of…

A: Solution =

Q: MnO4 (aq) + H2O2 (aq) → Mn2+ (aq) + O2 (g) (a) Sketch a flask containing an analyte solution before…

A: To sketch the flask at different points in the titration of hydrogen peroxide(H2O2) solution with…

Q: (OH)2​(aq)+2HCl(aq)CaCl2​(aq)+H2​O(l) An aqueous solution of Ca(OH)2with a concentration of 0.209 M…

A: Molarity of Ca(OH)2 = 0.209 M Volume of HCl = 25.00 ml Volume of Ca(OH)2= 15.93 ml

Q: Write balanced equations for the following reactions in acid solution. (a) P4 (s) + Cl- (aq) → PH3…

A: Note:  “Since you have posted a question with multiple sub-parts, we will solve first three subparts…

Q: A 0.7120-g specimen of iron ore was dissolved and passed through a Jones reductor. Titration of the…

A: In step -2 ,I am calculating the percentage of Fe and in step-3, the percentage of Fe2O3. Given…

Q: A weighed sample of sodium nitrite was treated with 0.05 mol of ceric sulfate in solution, in…

A: The amount of reactants that react completely to form the product can be identified based on the…

Q: A solution was prepared by dissolving 1210 mg of K3 Fe (CN)6 (329.2 g/mol) in sufficient water to…

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Q: What would be the equation for equilibrium constant for the following reaction? Pb(OH)4 (aq) +…

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Q: Would the addition of K2SO4 to a saturated solution of CaSO4 cause the solubility to increase or…

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Q: A 3.026 grams of Cu (II) salt is dissolved in water and then diluted to 250 mL in a volumetric…

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Q: Part II: Use the linear regression equation to calculate [FESCN-] Beaker Absorbance [FESCN-] at…

A: Equilibrium constant(Keq):- It maybe defined as the constant which is the ratio of the concentration…

Q: Predict the products and balance the following eqn. and identify the type of reaction Mg + Br FeCO)

A: Note : Bromine gas exist in the Br2 form and cannot exist as a Br form, thus the first equation is…

Q: Write the equilibrium expression for Kc for the reaction: Ag+(aq) + 2 NH3(aq) => Ag(NH3)2+(aq)

A: Ag+(aq) + 2 NH3 (aq) ⇌  Ag(NH3)2+(aq)    Equilibrium constant expression :   Kc = [Ag(NH3)2+][Ag+]…

Q: Write the balanced NET ionic equation for the reaction when aqueous KBr and aqueous AgC₂H₃O₂ are…

A: The net ionic equation is used to represent only those species i.e. ions and molecules that…