If the density of pure acetic is 1.005g/cm3, what is it's molarity

Answer 1

I assume you mean acetic acid.
density = 1.005 g/cc
So that has a mass of 1.005 x 1000 cc = 1005 g pure acetic acid/L
molarity = M = mols/L. 1005 g x (1 mol/60 g) = ? mols/L = ?M