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The percent composition of iron

Iron ores have different amounts of iron per kilogram of ore.Calculate the mass percent composition of iron for each iron ore:
1. 2 answers
2. asked by Ana
3. 1,951 views
Calculate the mass percent composition of iron for the second one of these iron ores.fe2o3 fe3o4
1. 1 answer
2. asked by royalty
3. 1,065 views
FeCo3Calculate the mass percent composition of iron for the third one of these iron ores.
1. 3 answers
2. asked by emily chambers
3. 2,106 views
How many grams of iron can be recovered from 11.8 kg Fe3O4?I tried to multiply 11.8 kg by the percent composition of iron, but
1. 3 answers
2. asked by Anonymous
3. 579 views
How do you determine the percent composition by mass of a 100 g K2SO4 solution containing a 20-g solute. What is the mole
1. 3 answers
2. asked by Sofia
3. 1,102 views
On the food label for a package of crackers, what does a 15 percent Daily Value for iron mean?One cracker provides 15 percent of
1. 1 answer
2. 34 views
What is the percent composition (percent by mass) of hydrogen in water? Hint:determine the percent composition (percent by mass)
1. 1 answer
2. asked by Tayo
3. 194 views
I'm supposed to compare the percent composition of gases in the atmosphere at sea level to the percent composition at high
1. 1 answer
2. asked by Sara
3. 586 views
On the food label for a package of crackers, what does a 15 percent Daily Value for iron mean?(1 point) The entire package of
1. 1 answer
2. 33 views
The percent composition of iron in a sample of steel can be determined by dissolving a sample of steel in concentrated acid. The
1. 0 answers
2. asked by manny
3. 674 views