Chemical Engineering - Stoichiometry - Discussion
Discussion Forum : Stoichiometry - Section 6 (Q.No. 4)
4.
If 1.5 moles of oxygen combines with aluminium to form Al2O3, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm.
Discussion:
1 comments Page 1 of 1.
TANMAY SHAH said:
2 years ago
4Al + 3O2 = 2Al2O3.
3 moles of O2 = 4 moles of Al.
1.5 moles of O2 = ?
It gives 2 moles of Al.
Now, Mass = M.W. * Atom wt.
Mass = 27 * 2 = 54 gm.
3 moles of O2 = 4 moles of Al.
1.5 moles of O2 = ?
It gives 2 moles of Al.
Now, Mass = M.W. * Atom wt.
Mass = 27 * 2 = 54 gm.
(1)
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