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Physical properties of hydrochloric acid, such as boiling and melting points, density, and pH, depend on the concentration or molarity of HCl in the aqueous solution. They range from those of water at very low concentrations approaching 0% HCl to values for fuming hydrochloric acid at over 40% HCl.
Hydrochloric acid . This page provides supplementary chemical data on Hydrochloric acid. Material Safety Data Sheet. The handling of this chemical may incur notable ...
Flash point: −9 °C (16 °F; 264 K) (open cup) −23 °C (closed cup) Autoignition temperature. ... In the laboratory, concentrated hydrochloric acid is used.
Small amounts of hydrogen chloride for laboratory use can be generated in an HCl generator by dehydrating hydrochloric acid with either sulfuric acid or anhydrous calcium chloride. Alternatively, HCl can be generated by the reaction of sulfuric acid with sodium chloride: [17] NaCl + H 2 SO 4 → NaHSO 4 + HCl↑. This reaction occurs at room ...
Isopropyl chloride can be easily produced in the lab by reacting concentrated hydrochloric acid with isopropyl alcohol in the presence of a calcium chloride or zinc chloride catalyst. The common ratio of alcohol to acid to catalyst is 1:2:1 using 30% HCl and near pure isopropyl alcohol.
The pH of a simple solution of an acid in water is determined by both and the acid concentration. For weak acid solutions, it depends on the degree of dissociation, which may be determined by an equilibrium calculation. For concentrated solutions of acids, especially strong acids for which pH < 0, the value is a better measure of acidity than ...