He also used the crochet to display the substances were united and connected. In 1775, Torbern Bergman created the “Bergman’s affinity table” which was pretty much an expanded version of Etiene Geoffroy’s old affinity table. Then, not that long after Bergman’s creation of his affinity table, Antione Lavoisier made a horizontal mathematical stylized representation of a chemical reaction by using ratios and products in order to show the chemical reaction. Later, in 1794 Jeremias Richter, created the term stoichiometry which dealt with the laws that stated substanves unite to form chemical equations. John Bidlakes created the equal sign that separated the products from the reactants that shows a double decomposition. Then, Walther Nernst advanced the equal sign to a two-way reaction arrow that signifies a reversible reaction in …show more content…
A clear example of a precipitation reaction is when “Aqueous silver nitrate (AgNO3) is added to a solution containing potassium chloride (KCl), and the precipitation of a white solid, silver chloride (AgCl), is observed” (Precipitation Reactions). The precipitation can be utilized to select the existence of numerous ions in dissimilar solutions. Another way to represent a precipitation reaction is as a net ionic equation and in this assured circumstance, spectator ions are left out of the equation completely. Precipitation can happen if the concentration of a compound surpasses its solubility and it also can occur from a supersaturated solution. It can also occur if the concentration of one solid is above the solubility limit in the host solid. Precipitation can even occur when an antisolvent is added, which results in it drastically reducing the solubility of the desired product. From this, the precipitation can be easily removed by filtration, decanting, or centrifugation. Precipitation is beneficial for creating pigments, eradicating salts from water in water treatment, and in classical qualitative inorganic analysis. It is also useful in determining the sort of cation in a salt. “To do this, an alkali first reacts with the unknown salt to produce a precipitate that is the hydroxide of the unknown