PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A teaspoon is approximately 5 grams (5000 mg) and for sodium chloride (table salt) about ??? of this is sodium (this is an approximation as a teaspoon measures volume and grams are a measure of mass and every item has a different mass but it is close enough).
http://www.w3.org/ns/prov#wasQuotedFrom
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