Problem- Use the free energies of formation given below to calculate the equilibrium constant (K) for the following reaction at 298 K.
2 HNO3(aq) + NO(g) ? 3 NO2(g) + H2O(l) K = ?
?G°f (kJ/mol) -110.9 87.6 51.3 -237.1
Explain the each and every step in detail for help