lab report 3

LAB REPORT No 3

NAME_______________________________ DATE________________

1. 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

2. Dialysate Solution Test

Test	Observations	Conclusions
Cl-1
Glucose
Starch

3. Testing for electrolytes.

Substance	Type of electrolyte
	Strong	Weak	Non	Ions and/or molecules	Conclusions
1% NaCl
5% glucose
1% NaOH
1% NH4OH

Questions

1. From the figure on the right, what relationship exists between the electrical conductivity and the type of particle dissolved in the solution?

2. 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

3. Explain the processes of Dialysis and Osmosis.

(Find this information on page 306, 307 and 309 of the textbook)