Cautions while adding acid to water
- Reaction of acid or base with water leads to the decrease in the concentration of ions (H3O+/OH–) per unit volume. This process is known as dilution.
- The procedure of dissolving acid or base in water is highly exothermic reaction.
- The acid needs to be added slowly to water with constant stirring.
Fig. Adding water to concentrated acid
- Adding water to concentrated acid generates tremendous heat causing the mixture to splash out and can even cause burns.
- The beaker used for the reaction may also break due to the generation of excessive indigenous heating.