Assertion: amorphous silica | /r/HasProperty | formed
Facets:
Source sentences:
text: Amorphous silica, SiO 2 , has a molecular weight (MW) of 60.08 (g/mol), a density of ∼2.65 (g/cm3), a pH zpc of ∼2, and can be formed using both pyrolytic and precipitation methods.