Backtitration
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... e carefully.
After a while the color of the solution in the beaker turned from red to yellow and I stopped the titration and I could read how much NaOH I had used for the solution to become neutral. I then knew that I had the same amount of NaOH as HCl, since the formula for this reaction is: NaOH + HCl à NaCl + H2O
The amount of NaOH is very simple to calculate, n = c * ...
