In the graphic, the first reaction shows citric acid producing hydrogen ions, therefore it is an acid. Bronsted-Lowery Definition (1923) - The definition of acids and bases involving hydrogen and hydroxide ions, respectively is much too limiting. A broader definition was proposed by Bronsted and Lowry in 1923. The main effect of the definition is to increase the number of substances that act as bases.
Although the solubility of a solid generally increases with increasing temperature, there is no simple relationship between the structure of a substance and the temperature dependence of its solubility. Many compounds (such as glucose and CH3CO2Na) exhibit a dramatic increase in solubility with increasing temperature.
between 800C and 1000C are less reliable. For example, what is the solubility ofKC103 at 400C, at 550C, and at 1000C? First, draw a vertical line from each temperature to the plotted solu- bility curve. Now from each of these points on the curve, draw a horizontal line to the solubil- ity axis and read the corresponding solubility.