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0.7 g/mL

Design a method to separate the mixture of plastic particles. Same size particles Insoluble in water (1.0 g/mL) Insoluble in alcohol (0.8 g/mL). Isolate the different density particles. 0.7 g/mL. 0.9 g/mL. 1.1 g/mL. PGCC CHM 101 Sinex. To isolated particles-. From this mixture-.

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0.7 g/mL

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  1. Design a method to separate the mixture of plastic particles • Same size particles • Insoluble in water (1.0 g/mL) • Insoluble in alcohol (0.8 g/mL) Isolate the different density particles 0.7 g/mL 0.9 g/mL 1.1 g/mL PGCC CHM 101 Sinex

  2. To isolated particles- From this mixture- PGCC CHM 101 Sinex

  3. add water 0.7 g/mL 0.9 g/mL 1.1 g/mL PGCC CHM 101 Sinex

  4. skim off floaters water 1.0 g/mL filter sinkers 0.7 g/mL 0.9 g/mL 1.1 g/mL PGCC CHM 101 Sinex

  5. add alcohol 0.7 g/mL 0.9 g/mL 1.1 g/mL PGCC CHM 101 Sinex

  6. skim off floaters alcohol 0.8 g/mL filter sinkers 0.7 g/mL 0.9 g/mL 1.1 g/mL PGCC CHM 101 Sinex

  7. Suppose instead of adding water first as we just did, we added the alcohol to the mixture first. Would this work? PGCC CHM 101 Sinex

  8. Alternative procedure- add alcohol 0.7 g/mL 0.9 g/mL 1.1 g/mL PGCC CHM 101 Sinex

  9. skim off floaters alcohol 0.8 g/mL filter sinkers 0.7 g/mL 0.9 g/mL 1.1 g/mL PGCC CHM 101 Sinex

  10. add water 0.7 g/mL 0.9 g/mL 1.1 g/mL PGCC CHM 101 Sinex

  11. skim off floaters water 1.0 g/mL filter sinkers 0.7 g/mL 0.9 g/mL 1.1 g/mL PGCC CHM 101 Sinex

  12. Follow-up questions to ponder- If these particles were water soluble, would it change your method of separation? If so, explain how. Does this open up the separation to other possible methods? Explain. PGCC CHM 101 Sinex

  13. Does your method have to change if this was the mixture? a written version of the procedure PGCC CHM 101 Sinex

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