Six astronauts are still on the space station as part of a planned year-long stay in space, the longest tour of duty in the station's 15-year history.
The molecular formula of citric acid is C 6 H 8 O 7. The chemical formula for citric acid is best shown by a diagram of its complete structural formula. This shows how the atoms are arranged in the molecule. Citric acid has three carboxyl or-COOH groups and is triprotic in nature.
Citric Acid. Citric Acid is a mild, odorless, powdered acid for use with acid dyes. It can be used in place of vinegar to help fix acid dyes and exhaust the dye bath. Sizes. 1 lb/0.45 kg (CHM1022). 5 lb/2.3 kg (CHM2022). Instructions.