Density of liquids
Principle
The density of water and glycerol is determined as a function of temperature using the Mohr balance.
Benefits
- Mohr density balance enables high-precision measurements
- Interdisciplinary use also in applied sciences or physical chemistry
Bath for thermostat, makrolon
Cooling coil for thermostat Alpha A
External circulation set for thermostat Alpha A
Immersion thermostat Alpha A, 230 V
Glycerol, 250 ml
Sodium chloride, 500 g
Water, distilled 5 l
Westphal/ Mohr density balance
Tubing connector, ID 6-10mm
Tasks
The density of water and glycerol is measured in 1 to 2 °C steps over a temperature range from 0 to 20 °C, then in larger steps up to 50 °C.
What you can learn about
- Hydrogen bond
- Water anomaly
- Volume expansion
- Melting
- Evaporation
- Mohr balance