posted by keisha .
Why is HC3HO considered a weak acid?
Why is NaOH considered a strong base?
Why is Mg(NO3)2 considered a salt?
Since this is not my area of expertise, I searched Google under the key words "acid base salt" to get this:
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.