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Which compound reacts with an acid to form a salt and a water? A. KOH B. KCl C.H3NO2

Neutralization Reactions


A neutralization reaction occurs when an acid and a base react to form water and a salt: 


   HA + BOH -> `~H_2O` + BA


Neutralization reactions are also double replacement reactions. H and OH combine to form water. B and A combine to form a salt. A salt is an ionic compound.


Bases


Bases can be defined as substances that increase the concentration of `~OH^-` ions when added to water:


    BOH...

Neutralization Reactions


A neutralization reaction occurs when an acid and a base react to form water and a salt: 


   HA + BOH -> `~H_2O` + BA


Neutralization reactions are also double replacement reactions. H and OH combine to form water. B and A combine to form a salt. A salt is an ionic compound.


Bases


Bases can be defined as substances that increase the concentration of `~OH^-` ions when added to water:


    BOH -> `~B^` + `~OH^-`


Since KOH would increase the concentration of `~OH^-` ions when added to water, we can conclude that KOH is a base:


    KOH -> `~K^+` + `~OH^-`


When KOH reacts with an acid (HCl), it produces water and a salt as follows:


   KOH + HCl -> `~H_2O` + KCl


KCl would be the salt in this reaction.


Therefore, KOH reacts with an acid to form salt and water.

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