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.
Alot of colors make brown when mixed, but probably the easiest is to mix red with green.Varying the amount of each color will give you different shades of brown. Orange and green will be a more tannish brown.plit and merge into it. Answer by Spagel2. Confidence votes 26. Alot of colors make brown when mixed, but probably the easiest is to mix red with green. Varying the amount of each color will give you different shades of brown. Orange and green will be a more tannish brown.