Sign In
Ask Question
Brenden Ware
Chemistry
22 April, 14:53
Determine the mass of iron in 79.2 g of Fe2O3.
+3
Answers (
1
)
Rylee Allen
22 April, 14:56
0
55.4-g Fe.
Begin by balancing the equation:
2 Fe2O3 - > 4 Fe + 3 O2
Start your stoic:
(79.2g Fe2O3) < - - you start with what you have and always try to get rid of what unit you are at
Conversion to get rid of grams is
# grams over mole
^
This number comes from periodic table
Add whole mass of Fe2O3 = 159.697g
(79.2g Fe2O3) (. mole.)
(159.697g)
Now get rid of moles, this is where you used the balanced numbers at the beginning
The number you are looking for goes on top-> (4 moles Fe)
(2 moles Fe2O3)
Last get mass of Fe alone and plug in to calc
Whole equation:
(79.2g) (moles) (4mFe) (55.85gFe)
(159.697) (2mole) (mole)
79.2 divides by 159.697 multiplied by 4 divided by 2 multipled by 55.85 equals 55.396406 rounded to:
55.4 g Fe
Comment
Complaint
Link
Know the Answer?
Answer
Not Sure About the Answer?
Find an answer to your question 👍
“Determine the mass of iron in 79.2 g of Fe2O3. ...”
in 📗 Chemistry if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
Which theory explains why our universe is structured and uniform and suggests that the universe is flat in shape? oscillating universe theory inflation theory steady state theory big bang theory
Answers (1)
How do you prepare a 250 ml of a 2.35 m hf dilution from a 15.0 m stock solution
Answers (1)
What 4 elements did people originally think made up everything?
Answers (2)
How many moles of methane are produced when 25.1 moles of carbon dioxide gas react with excess hudrogen gas
Answers (1)
How were noble gases discovered?
Answers (1)
New Questions in Chemistry
Why are coastal zones productive?
Answers (1)
Why aren't there any plate boundaries in Maryland?
Answers (1)
Farmers need to make many decisions about how they grow their crops. One of these decisions is whether to use synthetic fertilizer or organic fertilizer, such as manure.
Answers (1)
If you walk toward a Van der Graaff generator, the effect of its electric field would get weaker as you got closer to it, true or false.
Answers (1)
The volume of a single nickel atom is 8.10*10-24 cm3. what is the volume of a nickel atom in microliters?
Answers (1)
Home
»
Chemistry
» Determine the mass of iron in 79.2 g of Fe2O3.
Sign In
Sign Up
Forgot Password?