Common Extraction Solvents Listed by Density

  • Hexane: 0.695 g/mL
  • Ether: 0.708 g/mL
  • Toluene: 0.867 g/mL
  • Water: 1.000 g/mL
  • Dichloromethane: 1.325 g/mL
  • Chloroform: 1.492 g/mL

Hydrated Complexes for Some Common Drying Agents

Drying AgentFormulaSpeedCapacityHydration
Sodium sulfateNa2SO4MediumHigh7–10
Magnesium sulfateMgSO4FastHigh7
Calcium chlorideCaCl2FastLow2
Calcium sulfate (Drierite)CaCl2FastLow½–2
  • Capacity refers to the amount of water removed per given weight of the drying agent.
  • Hydration is the number of water molecules removed per molecule of the drying agent.

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