General Chem.

posted by .

Calculate the mass percent composition of iron for the third one of these iron ores.

  • General Chem. -

    I don't see any iron ores listed.

  • General Chem. -


  • General Chem. -

    %Fe = (atomic mass Fe/molar mass FeCO3)*100 = ??

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Dr. Bob

    Okay now can you read my introduction for me please... INTRODUCTION: This report discusses an experiment to study the percent mass of iron determined by the concentration of a colored iron solution from the absorbance of the spectrometer. …
  2. Redox Titration questions!

    Oh goodness, I'm such a pain! I need some help with these! How do I calculate the percentage?
  3. chemistry

    Calculate the mass percent composition of iron for the second one of these iron ores. fe2o3 fe3o4
  4. chemistry

    A 0.1943g iron ore sample was dissolved in hydrochloric acid and the iron was obtained as Fe 2+ (aq). The iron solution was titrated with Ce 4+ solution according to the balanced chemical reaction shown below.After calculation, it …
  5. chem

    hemoglobin, the oxygen-carrying protein in red blood cells, has four iron atoms per molecule and contains .340 percent iron by mass. calculate the molar mass of hemoglobin! thanks! :)
  6. AP chem

    A 37.2 g of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 11.1 grams. What was the percent iron in the sample of ore?
  7. Chemistry

    Iron ores have different amounts of iron per kilogram of ore. Calculate the mass percent composition of iron for each iron ore: Fe2O3{\rm Fe_2O_3} (hematite), Fe3O4{\rm Fe_3O_4} (magnetite), FeCO3{\rm FeCO_3} (siderite).
  8. honors chem

    determine the mass of the following example 1.3 x 10^26 iron atoms in iron III oxide, mass of iron II oxide I know this is a 2 part question and you have to use Avogadro's number, but I am clueless as to how to solve it.
  9. Chemistry

    How many grams of iron can be recovered from 11.8 kg Fe3O4?
  10. chemistry

    Answer the following questions about Fe(NO3)3. a. What is the mass percent of iron in this compound?

More Similar Questions