Science

posted by .

To determine the mass percentage of an iron sample, the dissolved sample [iron exists at the start as iron(II)] was titrated with potassium permanganate (permanganate forms manganese(IV) oxide.)If 22.25 cubic cm of 0.0123 potassium permanganate, what is the mass percent of iron in the sample?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Chemistry

    I just completed a titration lab and the balanced equation is (8H^+)+MnO4^- + 5Fe (^2+) ---> Mn + 4 H20 + 5 Fe(^3+) I'm supposed to calculate the moles of permanganate, Fe^2+ and the mass of iron from the sample. The volume of permanganate …
  2. AP CHEM

    Please help me with thses AP CHEM homework problems and show the steps to how to find the solutions: Solid Liquid Titrations: Determine the concentration of the indicated liquid unknown given the mass of a solid standard and the buret …
  3. chemistry

    can someone please help me balance this equation?
  4. chemistry/HELP PLLEASE

    can someone please help me balance this equation?
  5. chemistry

    Mildy basic potassium permanganate reacted with 1.25g of contaminated zinc granules to produce zinc hydroxide and solid manganese(iv)oxide.suppose 20.5ml of 0.050Molar of potassium permanganate completely reacted with contaminated …
  6. chemistry/help

    can someone please help me balance this equation?
  7. Chemistry

    This is a back titration question and I'm struggling with it :/ So if you can help me, that would be very appreciated :) Q. A sample of steel wool was dissolved in excess sulfuric acid. The resulting solution (FeSO4 aq) was then titrated …
  8. Chemistry

    write out the balanced equation when Iron(II) sulfate, potassium permanganate, and sulfuric acid react to form Iron (III) sulfate, manganese (II) sulfate, Potassium sulfate, and water.
  9. Chemistry

    An iron nail with a mass of 0.750 g was dissolved in dilute sulfuric acid and diluted to 100.0 mL volume. A 10.0 mL aliquot of this solution was then titrated with standard 0.200 M potassium permanganate solution, according to the …
  10. Chemistry

    Potassium permanganate, KMnO4, a common oxidizing agent, is made from various ores that contain manganese (IV) oxide, MnO2. The equation shows the net reaction for one process that forms potassium permanganate 2MnO2+2KOH+O2=2KMnO4+H2 …

More Similar Questions