Question
Asked Oct 24, 2019

In one experiment you reacted 45.7g of Aluminum with 182.8g of Iron (III) oxide to produce Aluminum Oxide and Elemental iron (not diatomic).

a. If you produced 5 grams of aluminum oxide, how many atoms of aluminum are in 5 grams?

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Expert Answer

Step 1

Given

Aluminium reacts with Ferric oxide to produce Aluminium oxide and iron

The mass of aluminium= 45.7g

The mass of ferric oxide= 182.8g

The mass of iron produced = 10 g

Step 2

The moles of aluminium present

given weight
no of moles A
Molecular weight
45.7
27
=1.693
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given weight no of moles A Molecular weight 45.7 27 =1.693

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Step 3

The reaction for the...

2Fe
Al203
Fe2O3
2A1
+
+
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2Fe Al203 Fe2O3 2A1 + +

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