AcidsAcids contain hydrogenare electrolytesturn blue litmus paper redneutralize basestaste soursolutions react with active metal

(Fe/Zn) to produce H2(g)

react with carbonates to produce CO2(g)

AcidsAcids (conceptual)(conceptual)

Arrhenius definition: acids are substances that provide a hydrogen ion in water.

HCl(g) ↔ H+(aq) + Cl-

(aq)

CH3COOH(aq) ↔ H+(aq) + CH3COO- (aq)

BasesBases

are electrolytesturn red litmus paper blue neutralize acidscontain hydroxidetaste bitterfeel soapy

BasesBases (conceptual)(conceptual)

Arrhenius definition: bases are substances that provide a hydroxide ion in water.

NaOH(s) ↔ Na+(aq) + OH-

(aq)

Mg(OH)2(s) ↔ Mg2+(aq) + 2 OH-

(aq)

In any solutionIn any solution

The product of [ H+] and [OH-] must be 1.0 x 10-14

H2O(l) + H2O(l) H3O+(aq) + OH-(aq)

-3

22

2 -2 3

- 143

[H O ][OH ]

[H O]

[H O] [H O ][OH ]

[H O ][OH ] 1.0 10

eq

eq

w

K

K

K

Autoionization of Water

Section 6.1 Questions

P.237 # 1 – 7