PRE-LAB ASSIGNMENT FOR EXPERIMENT 11- SOLUBILITY AND
MISCIBILITY/ INTRODUCTION TO ATOMIC ABSORPTION
1. Would you predict that ethylene glycol is soluble or insoluble in water? Why?
HO−CH2CH2−OH ethylene glycol
2. Ethanol is very soluble in water while heptanol is not soluble in water. Why is that?
CH3CH2−OH CH3CH2 CH2 CH2 CH2 CH2 CH2−OH
3. Sodium benzoate is soluble in water while benzoic acid is not soluble in water. Why is
O Na OH
Sodium Benzoate Benzoic Acid