9. Explain why the ions Na+ and Cl− are strongly solvated in water but not in hexane, a solvent composed of nonpolar molecules.
33. Complete and balance the equations of the following reactions, each of which could be used to remove hydrogen sulfide from natural gas:
(a) Ca(OH)2 (s) + H2S(g) ⟶
(b) Na2CO3 (aq) + H2S(g) ⟶