A 1.200 g sample of a salt containing Fe²* is titrated with 0.1250 M KMNO4. The end point is reached at 23.00ml.

Q: The concentration of SO, in a solution is determined by titrating it with a 0.1711 M dichromate…

A:

Q: When 38.0 mL of 0.1250 M H2SO4 is added to 100. mL of a solution of Pb(NO3)2, a precipitate of PbS04…

A: Given: Volume of H2SO4 = 38.0 mL Concentration of H2SO4 = 0.1250 M Volume of Pb(NO3)2 = 100.0 mL…

Q: A 40.0 mL volume of 1.80 Fe(NO3)3 is mixed with 21.5 mL of 0.808 M Fe(NO3)3 solution. Calculate the…

A: Given, A 40.0 mL volume of 1.80 Fe(NO3)3 is mixed with 21.5 mL of 0.808 M Fe(NO3)3 solution, i.e.…

Q: The amount of protein in a sample of cheese is determined by a Kjeldahl analysis for nitrogen. After…

A: Here we have to determine the mass percentage of protein present in sample of cheese in the…

Q: 4. It is found that 16.34 mL of a solution containing Ni+ is required to titrate a sample of pure…

A: The volume of the solution is 16.34 mL. The mass of pure KCN is 0.5024 g. The given reaction is:…

Q: A student weighs out 1.215 g of an impure KHP, dissolves the sample in 100. mL DI water and titrates…

A: kindly find the answer attached

Q: What is the concentration of NaCl in a solution if titration of 50.00 mL of the solution with 0.1500…

A:

Q: In a titration experiment based upon the reaction shown below, 25.49 mL of an acidified Fe2+…

A:

Q: A sample of copper oxide weighing 2.013 g is dissolved in acid, the pH adjusted, and excess KI…

A: The solution of the question is given below:

Q: The amount of hydrogen peroxide (H2O2) in a sample of hair bleach was determined by titration with a…

A: Since, Number of moles= Concentration× Volume

Q: In the titration of 10.00 mL sample of vinegar solution with 0.550 M NAOH as titrant, the initial…

A:

Q: 2 The active agent in many hair bleaches is hydrogen peroxide. The amount of H₂O2 in 13.7-g of hair…

A: given, amount of hair bleach = 13.7 g For KMnO4 molarity = 0.174 M volume = 48.9 mL

Q: An 8.65-g sample of an unknown group 2A metal hydroxideis dissolved in 85.0 mL of water. An…

A: (a) The values are given as follows: Suppose that metal of 2A group is M. Therefore, the chemical…

Q: The solubility product of a sparingly soluble salt, XF2, was determined by titration and found to be…

A: Given that: solubility product of XF2 = 2.9×10-10 M volume of  XF2 = 25.00 mL molarity of HCl =…

Q: How many milliliters of a 0.452 M Na2O solution is required to completely precipitate all the…

A: Solution :    Concentration shows the number of moles of a compound present in a given volume of…

Q: What volume of 0.100 M  Na3PO4 is required to precipitate all the lead(II) ions from 200.0 mL of…

A: The required reaction is        3 Pb2+(aq) + 2 PO43- (aq) ---------> Pb3(PO4)2 (s)

Q: A sample of solid Ca(OH)2 was stirred in water at a certain temperature until the solution contained…

A: Given, Volume of calcium hydroxide  = 87.5mL Molarity of HBr = 0.0892 M Volume of HBr = 68.7 mL

Q: A sample of pure compound (CH3)4NB weighing 0.100 g was dissolved and treated with a reducing agent…

A: Given :  Mass of (CH3)4NBrw = 0.100 gm  Mass of AgBr ppt fromed = 0.200 gm  Molar mass of AgBr =…

Q: The calcium in a 200 ml sample of water was determined by precipitating the cation as CaC204. The…

A: Given: Volume of sample of calcium = 200 mL Mass of empty crucible = 26.6002 g And mass of crucible…

Q: The chemotherapy drug cis-platin, Pt(NH3)2Cl2, is prepared via the  chemical reaction shown below.…

A: Solution Volume of NH3 required is 12.5 ml

Q: A solution of hydrogen peroxide,H2O2, is titrated with a solution of potassium permanganate, KMnO4.…

A: Number of moles of KMnO4​=MV/1000 ​=0.145×51.7/1000=7.4×10−3

Q: Consider the reaction: Li,S(ag) + Co(NO3)2(ag) → 2 LİNO,(aq) + CoS(s) What volume of 0.150 M LiS…

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

Q: Suppose that 0.3562 g of Na:C:04 is dissolved in a 250.0-mL volumetric flask. If 10.00 ml of this…

A: Given,

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: A 0.8040-g sample of an iron ore is dissolved in acid. The iron is then reduced to Fe21 and titrated…

A: Given data,Mass of iron sample=0.8040gMolarity of KMnO4=0.02242MVolume of…

Q: All arsenic in the mineral containing 20 g of arsenic is dissolved by converting it into As3+.…

A: Working formula Decinormal = one tenth of normality = 0.1 N Normality = Molarity*no of equivalents…

Q: How many grams of KMnO4 are required to prepare 4.000 L  of 0.0350 M  KMnO4 solution that is used in…

A: Calculation of no. of mol of KMnO4: Calculation of amount of KMnO4:

Q: An 8.65-g sample of an unknown group 2A metal hydroxide is dissolved in 85.0 mL of water. An…

A: The values are given as follows:

Q: A sample of solid Ca(OH), was stirred in water at a certain temperature until the solution contained…

A:

Q: The calcium in a 200 mL sample of water sample was determined by precipitating the cation as CaC2O4.…

A: Solution- The concentration of Ca that is present in water is to be determined in the units of ‘g’…

Q: Suppose you are titrating a solution of sodium oxalate, which has a molar mass of 134 g/mol, with a…

A: Number of moles of potassium permanganate should be equal to sodium oxalate at  the equivalence…

Q: SnO2, PBSO4, CUSCN, and Zn,P207. If a 0.600-g sample of brass is analyzed, what weights of each of…

A:

Q: A. calculate the volume of standardized 0.01 M KMNO4(aq). Needed to completely react with ~0.125 g…

A: Calculate the number of moles of potassium ferrioxalate (n) n = Given massMolar massn = 0.125…

Q: The following net ionic equation represents the reaction between the hydrogen phthalate ion,…

A: The balanced neutralisation reaction taking place is given as, => HC8H4O4–(aq)  +  OH–(aq)…

Q: You are presented with a white solid and told that, because of careless labeling, it is not clear…

A: According to the solubility rules- All carbonates are insoluble.(Therefore compound can't be…

Q: What is the concentration of NaCl in a solution if titration of 50.00 mL of the solution with 0.1500…

A:

Q: When 38.0 mL of 0.1250 M H2SO4 is added to 100 mL of a solution of PbI2, a precipitate of PbSO4…

A: Given: Concentration of H2SO4 = 0.1250 M Volume of H2SO4 solution = 38.0 mL = 0.038 L…

Q: b) If the sample amount is 1.042 g, what is the molar mass of the unknown metal A sample of an…

A: The given data is as follows: The volume of water = 100.0 mL = 0.100 L The concentration of…

Q: 4. A solution of 2.5 x 104M NazS2O3 was used for the iodometric titration of an ozone- containing…

A:

Q: Question attached

A: The balanced equation for the reaction between KHP and NaOH is: C8H5KO4 + NaOH → C8H4KO4-Na+ + H2O

Q: The percentage of CaCO3 in a sample of finely powdered limestone was determined. In the laboratory,…

A: An analyte is a chemical whose constituents are to be measured or which is being identified.

Q: What kind of reaction is this if it is. Precipitate write down the formula if you said acid-base…

A: Oxidation is defined as process of addition of oxygen or an electronegative element to the…

Q: A student adds 20.00 mL of nitric acid (HNO3) of unknown concentration to an Erhlenmeyer flask with…

A:

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

A: the redox reaction is given below: Fe2+ + Ce4+ = Fe3+ + Ce3+ Working formula Volume…

Q: A stock solution of Cu(C2H302)2 has a concentration of 0.270 M. If 6.00 mL of this solution is…

A: Given, the concentration of stock solution of Cu(C2H3O2)2 =0.270 Mthe volume of stock solution taken…

Q: A 1.2516 gram sample of a mixture of CaCO3 and Na2SO4 was analyzed by dissolving the sample and…

A: (a) From the mixture, CaCO3 is precipitated out as CaC2O4. Thus1 mole of CaC2O4 is precipitated by 1…

Q: A standard solution of AgNO3 was prepared by dissolving 7.107 g of pure AgNO3 in sufficient water to…

A:

Q: What volume (in mL) of 0.0144 M HBr solution is required to titrate 125 mL of a 0.0124 M Ca(OH)2…

A: Given: Concentration of HBr = 0.0144 M Concentration of Ca(OH)2  = 0.0124 M Volume of Ca(OH)2 = 125…

Q: When aqueous FeCl3 is combined with 100.0 mL of a base solution containing Ba(OH)2, 0.567 g of a…

A: Given data,Mass of precipitate(Fe(OH)3)=0.567gVolume of Ba(OH)2=100mL=0.100L

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.