exact xplanation of terms!!!

1) addition of H2O

3)ADDITION OF H2

srinath............plz help!!!!!!!!!

1 addition of water
2 rxn btw solute and solvent'
3 addition of H+ or OH- to ions

http://en.wikipedia.org/wiki/Hydrolysis

http://en.wikipedia.org/wiki/Solvation

the links given are quite extensive

b/w isn't hydrolysis and solvation same ??? [7][7]