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Helen [10]
3 years ago
6

Silver and gold are both considered coinage metals. How does a mile of silver compare with a mole of iron ?

Chemistry
1 answer:
fomenos3 years ago
7 0

Answer:

both have the same number of atoms

Explanation:

saw it on a quizlet

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In one experiment 7.62 g of Fe are allowed to react with 8.67 g of S
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calculate moles of both reagents given and the moles of FeS that each of them would form if they were in excess  

moles = mass / molar mass  

moles Fe = 7.62 g / 55.85 g/mol  

= 0.1364 moles  

1 mole Fe produces 1 mole FeS  

Therefore 7.62 g Fe can form 0.1364 moles FeS  

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= 0.2703 moles S  

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The limiting reagent is the one that produces the least product. So Fe is limiting.  

The maximum amount of FeS possible is from complete reaction of all the limiting reagent.  

We have already determined that the Fe can form up to 0.1364 moles of FeS, so this is max amount of FeS you can get.  

Convert to mass

hope this helps :)

4 0
3 years ago
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