The standard heat of formation of sodium ions in aqueous solution from the following data : Heat of formation of NaOH(aq) at 25^(@)C = - 470.7 KJ : Heat of formation of OH^(-1) at 25^(@)C = -228.8 KJ is :

The standard heat of formation of sodium ions in aqueous solution from

1.	The standard heat of formation of sodium ions in aqueous solution from the following data : Heat of formation of NaOH(aq) at 25^(@)C = - 470.7 KJ : Heat of formation of OH^(-1) at 25^(@)C = -228.8 KJ is :
Answer» `-251.9KJ` `241.9KJ ` `-241.9KJ` `300KJmol^(-1)` ANSWER :C