I went a local store once. I was going through some stuff when an employee came up to me and said: how may i help you?
I said: Well you can help me choose something for cleaning.
He said: What are you looking for exactly?
I said: Oh well, I actually found what I was looking for, but I'm not very sure. I mean I have HCl here as well as H2SO4, on the other hand I have CH3COOH and Na2CO3.
He said: Ok, what do you need them for?
I said: For cleaning.
He said: OK. What are you going to clean?
I said: The bathroom.
He said: Well, are you looking for an acid or a base?
I said: Acid, of course.
Then he told me which one I should buy.
Which one did he tell me to take and what is its full name?