use the chemical equation below to answer the question that follows

Chemistry
Tutor: None Selected Time limit: 1 Day

Fe2O3 + 3CO -------> 2Fe + 3CO2  which of the following formulas represents the approx number of grams of CO required to react completley with 200g of Fe2O3?  Why is the answer (200)(3)(28)/160?  I am prepping for an exam and havent had chem in over 5 years!  please help!

Apr 28th, 2015

Molar mass of Fe2O3 is 160g and that of CO is 28

Here in the equation 160g of Fe2O3  reacts with 3 *28 = 84 g of CO completely

so for 200 g of Fe2O3 its (84) (200) /160 g of CO.

Please let me know if you have any other questions and best me if you are satisfactory.



Apr 28th, 2015

thankyou for the help! 


Apr 28th, 2015

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