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A reaction A(aq)+B(aq)<-->C(aq) has a standard free-energy change of –3.35 kJ/mol at 25 °C. What are the concentrations of A, B, and C at equilibrium if, at the beginning of the reaction, their concentrations are 0.30 M, 0.40 M, and 0 M, respectively?

  • Chemistry - ,

    dG = -RTlnK. Solve for K. Then

    .......A + B ==> C

    Substitute the E line into Keq expression and solve for x, then evaluate concn A and B.
    Don't forget to use dG in J/mol and not kJ/mol

  • Chemistry - ,

    .298, .398, .00177

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