Consider the reaction
$$2\text{H}_2\text{S(g)} + 3\text{O}_2\text{(g)} \to 2\text{H}_2\text{O(l)} + 2\text{SO}_2\text{(g)}$$
The magnitude of enthalpy change for the reaction in kJ mol$$^{-1}$$ is __________. (Nearest integer)
Given :
$$\Delta_f H^\ominus(\text{H}_2\text{S}) = -20.1$$ kJ mol$$^{-1}$$
$$\Delta_f H^\ominus(\text{H}_2\text{O}) = -286.0$$ kJ mol$$^{-1}$$
$$\Delta_f H^\ominus(\text{SO}_2) = -297.0$$ kJ mol$$^{-1}$$