Urgent: Suppose that 14.9 mL of HNO3 is neutralized by 53.1 mL of a 0.0048 M solution of KOH in a titration. Calculate the concentration of the HNO3 solution.

0.017 M

Explanation:

The reaction that takes place is:

First we calculate how many KOH moles reacted, using the given volume and concentration:

As 1 mmol of KOH reacts completely with 1 mmol of HNO₃, in 14.9 mL of the HNO₃ solution there were 0.255 HNO₃ mmoles.

With that in mind we can calculate the concentration of the HNO₃ solution using the calculated number of moles and given volume: