\item 400 ml 0.35M natriumhydroksid (NaOH) \index{Natriumhydroksid, NaOH}
\item 1 ml phenolphthalein-løsning \index{Phenolphthalein}
\item 1140 ml 0.1 M salpetersyre, HNO$_{3}$ \index{Salpetersyre, HNO$_{3}$}
- \item 25 ml kons \sal \index{\sal}
+ \item 25 ml konsentert \sal \index{Salpetersyre, HNO$_{3}$}
\item Kobber \index{Kobber}
\item 3 x 1-liters rundkolber
\item 3 x stativ med klemmer