Strong vs. Weak
Here is an excellent set of resources to describe the difference between weak acids and strong acids.
http://www.chembio.uoguelph.ca/educmat/chm19104/chemtoons/chemtoons1.htm
This is an animation that talks through strong vs. weak acids.
http://www.mhhe.com/physsci/chemistry/essentialchemistry/flash/acid13.swf
Titration Example
The video below is a very detailed explanation of how a to perform a titration.