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Determine if each of the following will form a neutral, acidic, or basic solution and explain why. Show your work.

a) NaHSO4

b) Na2SO4

c) NH4CN

Sagot :

Answer:

For a: The given salt is acidic in nature.

For b: The given salt is neutral in nature.

For c: The given salt is neutral in nature.

Explanation:

Salts are formed by the combination of an acid and a base. There are 3 types of salt:

  • Acidic salt: It is formed by the combination of strong acid and weak base.
  • Basic salt: It is formed by the combination of a strong base and weak acid.
  • Neutral salt: It is formed by the combination of strong acid and strong base or weak acid and weak base.

For the given options:

(a): [tex]NaHSO_4[/tex]

This salt is formed by the combination of sodium hydroxide (strong base)  and the partial dissociation of sulfuric acid (strong acid). It also has a replaceable hydrogen ion which can be produced when dissolved in water. Thus, the given salt is acidic in nature.

(b): [tex]Na_2SO_4[/tex]

This salt is formed by the combination of sodium hydroxide (strong base)  and sulfuric acid (strong acid).

Thus, the given salt is neutral in nature.

(c): [tex]NH_4CN[/tex]

This salt is formed by the combination of ammonium hydroxide (weak base)  and hydrocyanic acid (weak acid).

Thus, the given salt is neutral in nature.

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