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.
In order to make tan you should mix white and brown. If you want to make the brown color yourself mix 2 parts of one primary color (like red) and 1 part of each of the other t â¦ wo (blue and yellow). The more white you use the lighter the shade of tan.
This pre-mixed pigment is a semi-transparent blue gray. Highly lightfast and mildly staining, Payne's Gray is a cool dream in a wet sky. Use this pigment instead of Indigo, except where yellow is involved.Payne's Gray helps create flat ocean waters and after the storm clouds and skies.Rocks and granite boulders, including their shadows, can be quickly rendered with light dilute washes or more concentrated brushloads.ayne's Gray helps create flat ocean waters and after the storm clouds and skies. Rocks and granite boulders, including their shadows, can be quickly rendered with light dilute washes or more concentrated brushloads.