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In the reaction represented by the equation 2Al2O3 → 4A1 + 302, calculate the
theoretical amount in grams of oxygen, O2 produced if 11.84 grams Al2O3
decomposes?

In The Reaction Represented By The Equation 2Al2O3 4A1 302 Calculate The Theoretical Amount In Grams Of Oxygen O2 Produced If 1184 Grams Al2O3 Decomposes class=

Sagot :

Answer:

3.78 gm O2

Explanation:

In the reaction represented by the equation 2Al2O3 → 4A1 + 302, calculate the theoretical amount in grams of oxygen, O2 produced if 11.84 grams Al2O3 decomposes?

for every 2 moles of Al2O3, 3 mole of 02 are produced

molecular weight of Al2O3 =(2X27) + (3X32) =54+96= 150

11.84 gm Al2O3 = 11.84/150 moles =0.0789 moles

This will produce 3/2 X 0.0789 moles of O2 = 0.118 moles O2

mol wt of O2 is 32

0.118 moles weighs 0.118X32 = 3.78 gm O2

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