(Answered) Calculate the standard change in gibbs free energy

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Calculate the standard change in Gibbs free energy, ΔG°rxn, for the following reaction at 25.0 °C. Standard Gibbs free energy of formation values can be found here.

KCl (s) (double arrow) K⁺ (aq) + Cl^- (aq)

Delta G^o_rxn= - 6.2 kj/mol

Then, determine the concentration of K (aq) if the change in Gibbs free energy, ΔGrxn, for the reaction is -8.27 kJ/mol. What is [K+] ? Answer must be in M.

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