Assertion: barium hydroxide's concentration | /r/HasProperty | close to 10−7 mol∙dm−3
Facets:
value: in order to satisfy the equal charge constraint
type: PURPOSE
Source sentences:
text: has a value close to 10−14 at 25 °C, so the concentration of hydroxide ions in pure water is close to 10−7 mol∙dm−3, in order to satisfy the equal charge constraint.