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Student's Name Instructor's Name Course Date Diprotic Acid Titration: Identifying an Unknown. Abstract The aim of the experiment was to identify an unknown amount of diprotic acid. The diprotic acid was titrated with NaOH solution whose concentration was known. Obtained data were analyzed, and unknown diprotic acid was found out as an Oxalic acid with a theoretical molecular mass of 90/mol. Introduction The main aim of the lab practical was to find the molecular weight of the diprotic acid. Diprotic acid of known mass is titrated with Sodium Hydroxide (NaOH) of known concentration. The molecular weight of the acid is thus obtained through some series calculations using the known data. Diprotic acid is an acid capable of donating two hydrogen cations when dissociating in aqueous solutions such as water. The dissociation occurs in two stages as shown in reactions below. (1) H2X(aq) H+(aq) + HX-(aq) (2) HX-(aq) H+(aq) + X2-(aq) Sulfuric acid and carbonic acid are some of...
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