During a laboratory activity, a student places 25.0 mL of HCl(aq) of unknown concentration into a flask. The student adds four drops of phenolphthalein to the solution in the flask. The solution is titrated with 0.150 M KOH(aq) until the solution appears faint pink. The volume of KOH(aq) added is 18.5 mL.Complete the equation for the neutralization reaction that occurs during the titration: KOH (aq) + HCl (aq) -->

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Answer:

[tex]HCl(aq)+KOH(aq)\rightarrow KCl(aq)+H_2O(l)[/tex]

Explanation:

Hello,

In this case, neutralization reactions are carried out between an acid and a base, which for this problem are hydrochloric acid and potassium hydroxide respectively, thus, since they react in a double replacement reaction, the undergoing reaction results:

[tex]HCl(aq)+KOH(aq)\rightarrow KCl(aq)+H_2O(l)[/tex]

Whose formed salt is potassium chloride, KCl.

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