3. Chemical Reactions - Part 3 of 3
3. Chemical Reactions / Limiting Reagent / Problem 5
Consider the following reaction:
2CuS(s) + 3O2(g) → 2CuO(s) + 2SO2(g)
Initially, the reaction mixture contains 3.0 mol CuS and 4.0 mol O2. How many moles of the excess reactant remains after the reaction has occurred completely?
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