RECENT investigations showed that hydrochloric acid enhanced the absorption of ferric iron but had little effect upon the absorption of iron from hemoglobin or ferrous salts. 1–5 Since ferric ...

Just enough hydrochloric acid is added from a burette to neutralise the sodium hydroxide. You can check the reaction mixture using universal indicator or a pH meter to see when it becomes pH 7.

Small pieces of Solid sodium metal are placed in two different concentrations of two different acids (hydrochloric acid and nitric acid). The sodium reacts most vigorously with the nitric acid, ...

Sodium hydroxide is added to a cylinder of aluminum nitrate, precipitating out aluminum hydroxide. When additional base is added, the precipitate dissolves. The reactions can then be reversed with the ...