Assertion: napalm's acid | /r/HasProperty | hygroscopic
Facets:
Source sentences:
text: Since an atom of phosphorus has an atomic mass of 31 but a molecule of phosphoric acid has a molecular mass of 98, the cloud is already 68% by mass derived from the atmosphere (i.e. 3.2 kilograms of smoke for every kilogram of WP); however, it may absorb more because phosphoric acid and its variants are hygroscopic.