Chem Lab

Purpose: The purpose of this lab was to analyze unknown solutions to see if it contained the ions Ag, Pb, Hg. Procedure: For each unknown solution we added 5 drops of cold 6M HCL. Mixed and centrifuged. We tested for complete precipitation by adding an additional drop of 6M HCL. We discarded the dct. and saved the ppt. We washed the ppt twice with 1 ml portions of cold .1M HCL. Discarded the washings both times. Saved …

…Lead is dangerous because if ingested it could cause lead poisoning and could be deadly, a few symptoms of it is vomiting, slow reflexes, and constipation 3. Describe how you use litmus paper to determine if a solution is acidic or basic? If you put a piece of litmus paper into the solution if it turns pink or stays pink you know its acidic, if it turns blue or stays blue you know it is basic.