Question

How many moles of aluminium oxide will be formed from 17 moles of aluminium reacting

Answer 1

Answer:

here oxygen will behave as limiting reagent ..

96g of O2 form =2 mole of Al2O3

3.2 g of O2 form =2*3.2/96=0.067moles

0.0666 moles of aluminum oxide will be formed.

Explanation:

Moles of aluminium =

Moles of oxygen gas =

According to reaction, 4 mole of aluminum reacts with 3 moles of oxygen gas.

Then 0.2 mol of aluminum will react with:

oxygen gas

Then 0.1 mol of oxygen will recat with:

of aluminum

As we can see that oxygen is in limiting amount. So the amount product formed will depend upon moles of oxygen gas.

According to reaction 3 moles of oxygen gas gives 2 moles of aluminium oxide.

Then 0.1 moles of oxygen will give:

of aluminum oxide

0.0666 moles of aluminum oxide will be formed.