When 4.0 mol H2O react with 4.0 mol Al in the reaction below, 2.7 mol of Al are used up in the reaction. How many moles of Al are left over unreacted?
2 Al + 3 H2O → Al2O3 + 3H2 (C?)
2.7 mol Al left over
2.0 mol Al left over
1.3 mol Al left over
0.7 mol Al left over
+3
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Home » Chemistry » When 4.0 mol H2O react with 4.0 mol Al in the reaction below, 2.7 mol of Al are used up in the reaction. How many moles of Al are left over unreacted? 2 Al + 3 H2O → Al2O3 + 3H2 (C?) 2.7 mol Al left over 2.0 mol Al left over 1.3 mol Al left over 0.