Transcription of Laboratory 4: Determining the Identity of an …
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Laboratory 4: Determining the Identity of an …
Laboratory 4: Determining the Identity of an Unknown Compound Introduction You accidentally forgot to label a bottle of clear liquid, how can you determine its contents? Or perhaps you find a mysterious bottle on the shelf, how can you identify it? We will explore using the chemical properties of compounds to identify an unknown liquid based on its characteristic chemical reactions. We will become familiar with the signs and observations that a chemical reaction has occured. We will also explore several logic concepts including inclusive, exclusive, and indeterminate results. Discussion In previous labs we have used physical characteristics to determine the Identity of an unknown compound. We can do the same thing by probing an unknown compounds chemical characteristics. In this you will be given aqueous samples of sodium chloride ( NaCl ),sodium iodide ( NaI ), sodium hydrogen carbonate ( NaHCO3 ), sodium carbonate ( Na2 CO3 ), sodium hydrogen phosphate ( Na2 HPO4 ), and sodium sulfate ( Na2 SO4 ).
Laboratory 4: Determining the Identity of an Unknown Compound Introduction You accidentally forgot to label a bottle of clear liquid, how can you determine its contents?
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