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With this experiment we wanted to determine the content of sodium hydrogen carbonate, NaHCO3, in some tablets, normally used to neutralize acid in the stomach.
Member rating: No Rating | Words: | Submitted: Tue Sep 23 2003
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Content of Sodium Hydrogen Carbonate in Tablets Date of experiment: November 21, 2002 Written by: Berit Nielsen Partners: Amber Clare Gregory Bove Introduction With this experiment we wanted to determine the content of sodium hydrogen carbonate, NaHCO3, in some tablets, normally used to neutralize acid in the stomach. I believe that the content will be approximately 0.5 g, since it says so on the packing. Materials and method For the experiment we used: tablet (NaHCO3) beaker dem. water magnetic stirrer HCl 2 M burette Indicator stick mortar and pestle Bromthymolblue stand and clamp First we crushed the tablet in the mortar with the pestle. After we had poured the powdered tablet in a beaker and dissolved it with dem. water, we checked the pH with the indicator stick to find out which indicator would be best to use in this experiment. We decided to use bromthymolblue and added some drops of that. Then we filled hydrochloric acid, HCl, in a burette. We titrated with HCl until the colour changed from blue to yellow. Data...
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