Question: A 50.00-mL sample of a solution containing Fe 2+ ions is titrated with a 0.0216 M KMnO 4 solution. It required 20.62 mL of KMnO4

A 50.00-mL sample of a solution containing Fe²⁺ ions is titrated with a 0.0216 M KMnO₄ solution. It required 20.62 mL of KMnO4 solution to oxidize all the Fe³⁺ ions to Fe³⁺ ions by the reaction

Step by Step Solution

★★★★★

3.43 Rating (153 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a 5Fe2 First calculate the number of moles of KMnO4 as follows Nu... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Chemical Principles Questions!

A 0.10-cm 3 sample of a solution containing a radioactive nuclide (5.0 10 3 counts per minute per milliliter) is injected into a rat. Several minutes later 1.0 cm 3 of blood is removed. The blood...

A 25.00 mL sample of a solution of Fe2S3 is found to be 85.2 ppm S2-. The atomic mass of Fe is 55.845 g/mol and the atomic mass of S is 32.066 g/mol. The density of the solution is 1.030 g/mL. What...

A 25.00-mL solution containing 0.03110 M Na2C2O4 was titrated with 0.02570 M Ca(NO3)2 to precipitate calcium oxalate:.Find pCa2+ at the following volumes of Ca(NO3)2: (a) 10.00; (b) Ve; (c) 35.00 mL....

A 0.5510-g sample consisting of a mixture of iron and iron(III) oxide was dissolved completely in acid to give a solution containing iron(II) and iron(III) ions. A reducing agent was added to convert...

A 25.00-mL volume of commercial hydrogen peroxide solution was diluted to 250.0 mL in a volumetric flask. Then 25.00 mL of the diluted solution were mixed with 200 mL of water and 20 mL of 3 M H 2 SO...

Determination of Equilibrium Constant Lab Determination of the Equilibrium Constant of a Reaction Via Spectrophotometry Introduction When chemical substances react, the reaction typically does not go...

Equilibrium Constant of a reaction via spectrophotometry Determination of the Equilibrium Constant of a Reaction Via Spectrophotometry Introduction When chemical substances react, the reaction...

A compound contains only Fe and O. A 0.2729 g sample of the compound was dissolved in 50 mL of concentrated acid solution, reducing all the iron to Fe 2+ ions. The resulting solution was diluted to...

S 1. Write the balanced oxidation/reduction reaction for the reaction between MnO4 ions and HC2O4 in acidic conditions. 2. How many moles of Fe2+ ions will be oxidized by 0.043 moles of MnO4* ions?...

Stibnite (Sb2S3, Molar mass = 339.69 g/mol) is the most important ore containing antimony. A 0.5060 g sample of ore was chemically treated to produce antimony(III) ions in the solution. The...

Correct answers to HOTCORE: The center of the earth is very hot. 1 = True, 2 = False. Correct answer: True. For each of the following variables, conduct a test to determine whether Democrats and...

Financial statement data for years ending December 31 for Robinhood Company are shown below. a. Determine the accounts receivable turnover for 2014 and 2013. b. Determine the number of days' sales in...

Ali and Daniel both work for an international company. Ali wishes to send Daniel a confidential document over the internet. a) Describe how Ali and Daniel would use matching pairs of keys to ensure...

You work for a yoga studio in your community as an instructor. The manager has approached you about your thoughts on introducing a bonus based on the number of classes taught and the total number of...

Although the VSEPR model is correct in predicting that CH4 is tetrahedral, NH3 is pyramidal, and H2O is bent, the model in its simplest form does not account for the fact that these molecules do not...

Draw Lewis structures and predict the molecular structures of the following. (See Exercises 89 and 90.) a. OCl2, KrF2, BeH2, SO2 c. CF4, SeF4, KrF4 b. SO3, NF3, IF3 d. IF5, AsF5 Which of the above...

Which of the following molecules have net dipole moments? For the molecules that are polar, indicate the polarity of each bond and the direction of the net dipole moment of the molecule. a. CH2Cl2,...

iminys Cricket Farm issued a bond with 20 years to maturity and a semiannual coupon rate of 5 percent 2 years ago. The bond currently sells for 96 percent of its face value. The companys tax rate is...

In the Black-Scholes framework, compute C and 2 Then, use the Put-Call parity to compute k and K2 K2* In the Black-Scholes framework, compute C and 2 Then, use the Put-Call parity to compute k and K2...

12. Nonannual compounding period The number of compounding periods in one year is called compounding frequency. The compounding frequency affects both the present and future values of cash flows. An...