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Solubility Test Lab Report

751 Words4 Pages

Abstract
The purpose of this lab was to identify the unknown and find out which solution is solubility. The test was done to determine the identity of the compound include solubility test, flame test, formation of precipitate and last PH test. It was found that the unknown compound smell like chorine, was soluble in water. The flame test matches the color of calcium chorine indicating that the unknown compound contained chorine, also the anion test sodium chorine proved to be positive. Resulting in the experiment that the unknown compound was chorine.
Introduction
As a groups to identify an unknown compound, we need to know its physical properties (color, state and smell). David brought all the compound that are need to for the project and …show more content…

It was found that the compound was solid and white in color. The unknown compound was then tested solubility in water and the compound was soluble in the water. The flame test was performed for four know compound calcium chorine, sodium chlorine and ammonium chorine and the unknown compound. When unknown compound was put on the fire different color are produce. When we smell the unknown compound it indicated the presence of chorine. 3MHNO3, 1ml of Agno3 and unknown compound formed precipitate.

Conclusion
After doing flame test, solubility test and PH test, the groups able to identify the unknown compound, after all of the tests and reactions were performed, it was found that the unknown compound was chlorine, it is solubility in the water. The flame test matches the color of calcium chorine indicating that the unknown compound contained chorine. We also used ice to see whether unknown compound will dissolve in the ice. We used 3ml of ice and 0.5 g of unknown and 1-gram sodium carbonate and 1g unknown carbonate in 10 ml H20. when we first mixed ice with unknown it melts then we used sodium carbonate and unknown carbonate it forms white precipitate. for the final test we used 1-gram sodium bicarbonate and unknown with 15 ml of H20 then it bubbles up. After we done with all other test, we like to see the PH of the sodium bicarbonate and unknown, its initial temperature is 20 and the final temperature was 24 and then PH paper turn blue and its has the PH of 8-9 and its very

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