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If half mole of oxygen combine with Al to formAl,O, the weight of Al used in the reaction is |
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Answer» The balanced reaction is 4Al + 3O2= 2Al2O3 3moles of O2requires 4 moles of Al0.5 moles of O2requires = 4 X 0.5/3 = 2/3 moles of Al Mass of 2/3 mol of Al = 2/3 mol X 27g/mol= 18 g |
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