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.
Nitric acid has the chemical formula HNO3, and Calcium Hydroxide has the chemical formula Ca(OH)2. When an acid and a base react with each other, the products that are formed is a salt (an ionic compound that is formed from a reaction between an acid and a base) and water. So, acid + base ---> salt + water.