LAB REPORT No 3
NAME_______________________________ DATE________________
- Testing for specific ions and substances.
| Experiments | Test | Observed changes |
| 1.a | Cl-1 | |
| 1.b | Fe+3 | |
| 1.c | CO3-2 | |
| 1.d | Na+1 | |
| 1.d | K+1 | |
| 2.a | glucose | |
| 2.b | starch |
- Dialysate Solution Test
| Test | Observations | Conclusions |
Cl-1 | ||
Glucose | ||
Starch |
- Testing for electrolytes.
| Substance | Type of electrolyte | ||||
| Strong | Weak | Non | Ions and/or molecules | Conclusions | |
| 1% NaCl | |||||
| 5% glucose | |||||
| 1% NaOH | |||||
| 1% NH4OH | |||||
Questions
From the figure on the right, what relationship exists between the electrical conductivity and the type of particle dissolved in the solution?
From the figure on the right, what relationship exists between the electrical conductivity and the type of particle dissolved in the solution?- State whether each of the following solutions is hypotonic, hypertonic or isotonic to red blood cells and whether crenation, hemolysis or no change will take place. (Find these definitions on page 307 and 308 of the textbook)
| Solution | hypotonic, hypertonic, or isotonic | crenation, hemolysis, or no change |
| 3% glucose | ||
| 0.9% NaCl | ||
| Pure water |
- Explain the processes of Dialysis and Osmosis.
(Find this information on page 306, 307 and 309 of the textbook)
