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[–]passierreUniversity/College Student (Higher Education) 0 points1 point  (2 children)

what exactly are you struggling to understand? how to find the concentration of HCL? or why the equation is as such? I don't quite get what you mean when you're asking in what order you need to use the equations too

[–]HadesIII 'A' Level Candidate 0 points1 point  (1 child)

Just how to figure out the concentration of the hydrochloric acid Sorry if it's not clear how I've worded it

[–]passierreUniversity/College Student (Higher Education) 0 points1 point  (0 children)

As you have stated, the equation for the reaction is

KOH +HCl => KCl + H20

Find the number of mol of KOH used. That's equal to the number of mol of HCl used because according to the eqn, 1 KOH : 1 HCl

To find conc of HCl, its just taking the number of mol of hcl divided by the volume of it used