Question

Chromium is most commonly mined in the form of chromite, which has the chemical formula FeCr2O4. Calculate the percent by mass of each element in chromite, and give your answers to four significant digits. % Fe = % % Cr = % % O = % Using the information from Part 1, how much Cr metal could be extracted from 159.1 g of chromite? Round your answer to four significant digits. Choose one: 45.49 g 39.70 g 36.96 g 73.92 g

Name: chromium is most commonly mined in the form of chromite which has the chemical formula fecr2o4 calculate the percent by mass of each element in chromite and give your answers to four signifi 33735
Uploaded: 2022-02-15T02:11:03-08:00
Duration: 3 min 30 s
Channel: Ma Ednelyn Lim
Description: chromium is most commonly mined in the form of chromite which has the chemical formula fecr2o4 calculate the percent by mass of each element in chromite and give your answers to four signifi 33735

          Chromium is most commonly mined in the form of chromite, which
has the chemical formula FeCr2O4. Calculate
the percent by mass of each element in chromite, and give your
answers to four significant digits.
% Fe =     %   
% Cr =     %   
% O =     %   

Using the information from Part 1, how much Cr metal could be
extracted from 159.1 g of chromite? Round your answer to
four significant digits.
Choose one:
45.49 g
39.70 g
36.96 g
73.92 g

Added by Allison R.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Ma Ednelyn Lim

02/15/2022

Step 1

The molar mass of Fe (Iron) is approximately 55.845 g/mol. The molar mass of Cr (Chromium) is approximately 51.996 g/mol. The molar mass of O (Oxygen) is approximately 15.999 g/mol. So, the molar mass of chromite is: 55.845 g/mol (for Fe) + 2*51.996 g/mol (for Show more…

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Chromium is most commonly mined in the form of chromite, which has the chemical formula FeCr2O4. Calculate the percent by mass of each element in chromite, and give your answers to four significant digits. % Fe = % % Cr = % % O = % Using the information from Part 1, how much Cr metal could be extracted from 159.1 g of chromite? Round your answer to four significant digits. Choose one: 45.49 g 39.70 g 36.96 g 73.92 g