In a titration, 5.0 ml of a 2.0 M NaOH (aq) solutions exactly neutralizes 10.0 ml of an HCL (aq) solution. what is the concentration of the HCl (aq) solution?

Explanation:

Hello,

In this case, since the reaction between HCl and NaOH is:

We notice a 1:1 molar ratio between the acid and the base, for that reason, in the equivalent point we find:

Thus, in terms of concentrations, we have:

Hence, we solve for the concentration of the acid to obtain:

Regards.

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