Is vinegar an acid or base?

Question

Is vinegar an acid or base?

Answer 1

It's an acid.

Answer 2

vinegar is an acid.

Answer 3

Vinegar is about 5% by mass acetic acid.

Answer 4

vinegar is acetic acid which is a weak acid, pH about 4.76 (ph of water is 7, hydrochloric acid is 1, sodium hydroxide is 14).  pure, water-free acetic acid (glacial acetic-acid) actually absorbs water from the air.  

Answer 5

Vinegar contains acetic acid, so it's an acid:)

Answer 6

it's an acid. :)

Answer 7

vinegar is a weak acid