Q3. (40 Points) The molar enthalpy of a ternary mixture of species a, b, and c can be described by the following expression: h=5000xa3000xb2200xc500xaxbxc[J/mol] (a) Come up with an expression for Ha (b) Calculate Ha for a solution with 1 mole a,1 mole b, and 1 mole c. (c) Calculate Ha for a solution with 1 mole a but with no b or c present. (d) Calculate Hb for a solution with 1 mole b but with no a or c present