ReactionTest(): myReaction(5.0), emptyReaction(5.0), calcium("Ca"), carbon("C"), oxygen("O"), calcium_carbonate("CaCO3") { calcium.SetConcentration(2.0); carbon.SetConcentration(3.0); oxygen.SetConcentration(5.0); calcium_carbonate.SetConcentration(7.0); myReaction.AddReactant(calcium); myReaction.AddReactant(carbon); myReaction.AddReactant(oxygen); myReaction.AddProduct(calcium_carbonate); };