Question

If the titration of h2po4− in a urine sample was continued until all of the acid in the solution was neutralized, how many equivalents of naoh would be needed to fully neutralize the solution?

Answer 1

Two equivalents of NaOH are needed to fully neutralize the solution.

What is a neutralization reaction?

A neutralization reaction involves the reaction of an acid and a base to form salt and water. The reaction is exothermic in nature.

For example,

$HCl (aq) + NaOH(aq)\rightarrow NaCl(aq) + H_2O (l)$

During the titration of $H_2PO_4^-$ it gives $2H^+$.

$H_2PO_4^- \rightarrow 2H^+ +PO_4^3^-$

To neutralize these $2H^+$, 2 $OH^-$ is needed which come from 2 equivalents of NaOH

$2NaOH \rightarrow2 Na^+ +2OH^-$

Therefore, 2 equivalents of NaOH are needed

Learn more about neutralization reaction:

brainly.com/question/23008798

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