Symbol i. A factor appearing in equations for colligative properties, equal to the ratio of the number of actual particles present to the number of undissociated particles. It was first suggested by Jacobus van’t Hoff (1852–1911).
Chemistry
A factor appearing in equations for colligative properties, equal to the ratio of the number of actual particles present to the number of undissociated particles. This factor was postulated by Jacobus van’t Hoff in 1890.