In theory, when a Vinegar is exposed to increasing temperatures, its concentration will increase when titrated with a base. This is because the acidity/pH levels of Vinegar will be affected by the dissociation of water molecules within Vinegar. When water dissociates, it produces Hydrogen ions, which decreases the pH levels and increases the acidity. With a greater level of acidity, the volume of a basic substance required to neutralize the acid will be greater, increasing the observable concentration of the Vinegar.