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Unformatted text preview: The Na 2 SO 4 is one of your starting compounds. You want to measure it using a scale. http://www.ecvv.com/product/2812306.html This diagram shows that the original solution and how it combines and becomes a supernate and a precipitate. http://chemwiki.ucdavis.edu/Inorganic_Chemistry/Reactions_in_Aqueous_Solutions/Precipitation_Rea ctions Safety Information: It is important to be cautious of the chemicals used. You do not want to eat or directly smell them as they could become harmful. Also avoid eye contact with any solution. Conclusion: We were able to conclude that the compounds “changed” places through the double replacement reaction. The Barium combined with the SO 4 and the Na combined with the sodium. The BaSO 4 then became the precipitate of the solution while the 2NaCl became the supernate. This showed us that the compounds can switch places and create products....
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- Spring '08
- Microeconomics, Sodium chloride, 20 minutes, 10 minutes, 0.5g, barium chloride, 0.73g