April 08, 2014
Example
Write a chemical equation that shows the reaction when the following acids are placed in water.
1) hydrochloric acid
2) nitrous acid
3) hydrogen carbonate ions
4) NaHS (s)
5) CH3COOH (aq)
6) NH4Cl(s)
7) HF (aq)
8)HNO3 (aq)
April 08, 2014
Arrhenius De1initions of Bases
There are 3 Basic Solutes
1) Strong Bases: 2) Certain molecular compounds (usually contain N)
3) Polyatomic anions
April 08, 2014
Writing Base Reactions with Water
B- + H2O OH- + HB
Example
Write a chemical equation that shows the reaction when the following bases are placed in water.
1) sodium hydroxide
2) N2H4
April 08, 2014
3) carbonate ions
4) Na2S (s)
5) CH3COO- (aq)
6) NO2-(aq)
7) HOOCCOO- (aq)
Polyprotic Acids
-­‐these are acids that have more than one proton (hydrogen) to donate to water
Examples:
Polyprotic acids react with water one hydrogen at a time
Example H2CO3(aq)