Assertion: benzene's use | /r/HasProperty | 1.67 x 10"3 m
Facets:
Source sentences:
text: Using FeSO4 (1.67 x 10"3 M) in conjunction with equimolar amounts of methyl-pyrazine-5-carboxylic acid N-oxide and trifluoroacetic acid, in a water-acetonitrile-benzene (5:5:1 v/v/v) biphasic system, with benzene-