A sample of impure tin of mass 0.535 g is dissolved in strong acidto give a solution of Sn2+. The solution is then titrated with a0.0448 M solution of NO3-, which is reduced to NO(g). Theequivalence point is reached upon the addition of 0.0344 L of theNO3- solution. Find the percent by mass of tin in the originalsample, assuming that it contains no other reducing agents.

Q: Determine if HNO3 can dissolve metal sample. If it can, writea balanced chemical reaction showing…

A:

Q: Complete and balance the following half- reaction in basic solution. Be sure to include the proper…

A:

Q: NOz(aq) + Al(s) NH3 (aq) + Al(0H)¾«aq) in basic solution

A: Given,  NO2-(aq) + Al(s) ------> NH3(aq) + Al(OH)4-(aq)

Q: measure the amount of iron in a certain type of iron ore, an analytical chemist dissolves a 43.0 g…

A:

Q: A mixt. weighing ) wt. of NogCOs ond KaCOg It is disasolued in woter and 1.000 g consistu of equal…

A: NOTE : it will be 17.36 mL of 1.075 acid added not 17.36 g Sol : Since the mass of K2CO3 and Na2CO3…

Q: A 215-mL sample of a 0.500 M NaCl solution with an initial pH of 7.00 is subjected to electrolysis.…

A: Gien: Volume of a sample = 215 mL NaCl = 0.500M pH = 7 After 15 minutes, Volume removed = 10 mL HCl…

Q: What is the coefficient for OH- in the balanced reaction for Be (s) + Cr3+ (aq) → Cr (s) + Be2O32-…

A: Balanced chemical reaction is the reaction in which the elements present in the reactant and in…

Q: Calculate the potential for a redox titration when 100.0 mL of 0.00100 M NO₂ solution is titrated…

A:

Q: If you complete and balance the following equation in acidicsolutionMn2+(aq) +…

A: …

Q: A 13 ml aqueous acidic sample containing hydrogen peroxide 04,0) was diluted and analyzed by…

A: Reduction half cell

Q: Show complete solutions for cach poblem. A seientiet tasked to extract Fe from was an suspension…

A: A) The balanced reactions are as follows: I)          Fe2O3(s)+3SO3(g)→Fe2(SO4)3(aq)II)…

Q: Complete and balance the following equations for reac- tions taking place in basic solution. (a)…

A: Hello. Since the question contains multiple subparts the first three subparts are solved. In case…

Q: A redox titration is performed to investigate iron content in an alloy sample. The potential of…

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

Q: Which of the following statements is incorrect? O In metallic indicator electrodes, the potential…

A: A multiple choice question based on electrochemistry that is to be accomplished.

Q: Agalvanie cell Za a" Ce"C costructed uning a completely immered Za electrode that weighs 31gand s Ce…

A:

Q: Consider the reaction at 25∘C 2NO3−(aq) + 8H+(aq) + 3Cu(s) → 3Cu2+(aq) + 2NO(g) + 4H2O(l) (d) at…

A: (d) Given: The reaction is as follows, 2NO3-(aq) + 8H+(aq) + 3Cu(s) → 3Cu2+(aq) + 2NO(g) + 4H2O(l)…

Q: tme oxidatien numbers calculate of the Followiing a. S in SOg S0z. 2° |2. Up in

A: Given  Molecule = SO3 Oxidation number of S = ? Species =  Cr2O72- Oxidation number of Cr = ?

Q: 2. Consider the following reaction: HCO, (aq) = H+(aq)+ CO?-(aq) at room temperature (298 K). a)…

A: For a spontaneous reaction ∆Greaction <0  And ∆G = ∆G° + RTlnQ  Where Q is reaction quotient  T =…

Q: A 2mL solution of hyrogen peroxide (1 g / mL) is titrated with permanganate in basic conditions.…

A:

Q: A 750.0-mg sample of iron ore was dissolved in acid and treated to oxidize all the iron to ferric…

A: Normality of Na2S2O3 used = 0.07500 M Volume of Na2S2O3 used to titrate liberated iodine = 28.50 mL…

Q: IWrite balanced equations for the following reactions in basic solution:  SO2 + I2 resulting in SO2…

A: Concept introduction: Here are the rules to balance redox reactions in basic medium: Determine the…

Q: ntratión öf 0.026 (aq) and a partial pressure of 1.92 atm O2(g) at a pH of Hint: You must balance…

A: We wil use nernest equation

Q: a. Balance the following redox in acidic media C2O42- (aq) + MnO4- (aq) → CO2(aq) + Mn2+ (aq) b.…

A: a.

Q: A 220 mL sample of a 0.500 M NaCl solution with an initial pH of 7.00 is subjected to electrolysis.…

A:

Q: A Cr+ (aq) solution is electrolyzed using a current of 7.30 A. What mass of Cr(s) is plated out…

A: a) Given: Current passed = 7.30 A. And time passed = 2.90 day = 2.90 × 24 × 60 × 60 = 250560 s…

Q: For each of the following reactions, complete and balance the equations taking place a. in acidic…

A:

Q: An electrode Is prepared fromm liquid mercury in contct willh a salurated solution o mercury(1)…

A: The standard reduction potentials of half- cell reactions are, The most positive standard reduction…

Q: (a) which of the followingis the strongest oxidizing agent, and which is the weakestin acidic…

A: a) The strongest oxidizing agent in acidic solution would be: H2O2  The weakest oxidizing agent in…

Q: Molarity of CusO4 is 1. Calculate the EMF of cell CuCuSO, (ag|| AgCl/ Ag. K of AgCl is 10 1 [E'ojo…

A:

Q: The following reactions (note that the arrows are pointingonly one direction) can be used to prepare…

A: Halogens belong to Group 17 of the Periodic table. These are the most electronegative elements of…

Q: The solubility equilibrium for Mn(IO3)2 is:

A: Equilibrium solubility of salt AxBy                                                        AxBy (s)…

Q: A 750.0-mg sample of iron ore was dissolved in acid and treated to oxidize all the iron to ferric…

A: A question based on quantitative analysis, which is to be accomplished.

Q: A 1.00 g sample of an iron ore is dissolved in acid and then reduced to Fe²⁺. It was then titrated…

A: Given data, Mass of sample = 1.00g Molarity of KMnO4 = 0.025M Volume of KMnO4 = 47.5mL = 0.0475L…

Q: Ilow many grams of an ointment base must be added to 45 g of clobeta (TEMOVAT E) ointment, 0.05%…

A: Mass of ointment = 45 g Initial concentration = 0.05% Required concentration = 0.03%

Q: a solution prepared by dissolving 0.2541g sample of electrolytic iron wire in acid was passed…

A: Given :  Mass of iron wire = 0.2541 gm  Volume of Cr2O7-2 solution = 36.76 ml

Q: You have 10mL of an 8% aqueous solution of H2Cl6Pt. Calculate the molar concentration of the…

A: Given: Volume of solution = 10 mL Convert mL into L as follows. 1 mL = 0.001 L10 mL = 10 mL × 0.001…

Q: In regions where there is acid industrial dumping (pH: 4.0), show whether there will be more or less…

A: The dissociation of aluminum hydroxide is: Al(OH)3→Al3++3OH-  -----(1)

Q: I know the answer needs to be positive, but I keep getting a negative. Why?

A:

Q: A 215 mL sample of a 0.500 M NaCl solution with an initial pHof 7.00 is subjected to electrolysis.…

A: In 15 Minutes, 10.0 mL portion (or aliquot) of the solution is removed from the cell andtitrated…

Q: A copper storage tank containing dilute H,SO, at pH 0.1 is blanketed with hydrogen at 1 atm.…

A: The standard potential for the reduction of Cu is obtained from the table as 0.342V Cu+2 + 2e →Cu…

Q: What is the concentration of Co(OH)₂ (aq) in a solution in which the concentrations of Co²+ and OH…

A:

Q: In a metal plating plant , the waste contains 20 mg/L Cu 2+. It was decided that no precipitation…

A: Sparingly soluble salts are those which are not completely soluble in aqueous solution, rather there…

Q: Calculate the percent iron in an ore if a 0.3500 g sample is dissolved and the Fe2+ formed requires…

A: In presence of KMnO4 the Fe2+ is oxidised to Fe3+ .

Q: 4. Oxalic acid (H2C:O4) is present in many plants and vegetables. a) Balance the following equation…

A: The dissolution of a specific mass of a solute to the defined volume of the solvent yields a…

Q: Molarity of CusO4 is 1. Calculate the EMF of cell CuCuSO, (ag)|| AgCl/ Ag. K of AgCl is 1010…

A: The oxidation half-reaction is given as, Cu→Cu2++2e-     ECu/Cu2+=-0.34 V The reduction…

Q: 1. A sample of pure sodium oxalate, Na,C2O4 , weighing 0.2856 g is dissolved in water, sulfuric acid…

A: 1. Solution -