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| Species | Molecular Weight or Atomic Mass | Concentration |
|---|---|---|
| Na+ | 23 g | 91 ± 8 mM |
| K+ | 39.1 g | 60 ± 11 mM |
| Cl− | 35.5 g | 102 ± 17 mM |
| Lactate | 89 g | 44 ± 17 mM |
| Glycoprotein | not given | 76 ± 18 g/L |
Source: Data from Effros et al., “Dilution of Respiratory Solutes in Exhaled Condensates.” American Journal of Respiratory and Critical Care Medicine 165:663–669 (2002).
