释义 |
EncyclopediaSeeBrønsted theoryBronsted theory
Brøn·sted the·o·ry (bron'sted), that an acid is a substance, charged or uncharged, liberating hydrogen ions in solution, and that a base is a substance that removes them from solution (for example, NH4+, CH3COOH, and HSO4- are acids; NH3, CH3COO-, and SO4- are bases); useful in the concept of weak electrolytes and buffers. Compare: Brønsted acid, Brønsted base. Brøn·sted the·o·ry (brŭn'shtet thē'ŏr-ē) That an acid is a substance, charged or uncharged, liberating hydrogen ions in solution, and that a base is a substance that removes them from solution; useful in the concept of weak electrolytes and buffers. Compare: Brønsted acid, Brønsted baseBrønsted, Johannes N., Danish physical chemist, 1879-1947. Brønsted acid - an acid that is a proton donor.Brønsted base - any molecule or ion that combines with a proton.Brønsted theory - that an acid is a substance, charged or uncharged, liberating hydrogen ions in solution, and that a base is a substance that removes them from solution. |