Assertion: acetone's volatility | /r/HasProperty | decreased to 250 mm
Facets:
value: from 80 p. s. i.
type: TEMPORAL
Source sentences:
text: The present process for dehydrating acetone iy fractional distillation is predicated upon the discovery that the volatility of acetone relative to water increases markedly as the pressure over the mixture is decreased from 80 p. s. i. to 250 mm.