Docstoc

Acid_Base Salts

Document Sample
Acid_Base Salts Powered By Docstoc
					                                           Acid/Base Properties of Salts

When weak acids dissociate in water, they produce conjugate bases that are stronger bases than water. So, if these
conjugate bases are placed in water, a basic solution is formed.

When weak bases react with water, they produce conjugate acids that are stronger acids than water. So, if these
conjugate acids are placed in water, an acidic solution is formed.

When strong acids dissociate in water, they produce a conjugate base that has no desire for a proton - a base weaker
than water.

When strong bases dissociate in water, they produce cations that have no effect on the pH of a solution.

What acid would each of the following anions come from?

OCl- ___________                    Is this a strong or weak acid? _______

I-   ____________          Is this a strong or weak acid? _______


If I put some NaOCl in water, would the solution be acidic, basic or neutral? _________

If I put some KI in water, would the solution be acidic, basic or neutral? ___________

How about LiF _________             KCN _________ NaNO3 _________                CsBr ___________

What is the equilibrium constant for the following reaction?

OCl-(aq) + H2O(l) ------> HOCl(aq) + OH-(aq)



What is the pH of a 1M solution of NaOCl?




What is the pH of a 1M solution of KI?




Order the following 1M solutions from most acidic to most basic:

HCN, HOCl, NaOH, HI, KCN, LiF, NaNO3, KI, H2O, NaOCl, NH4Cl

				
DOCUMENT INFO
Shared By:
Categories:
Stats:
views:31
posted:2/11/2011
language:English
pages:2