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.
1 Magenta: Magenta can't be mixed from other colors. You will have to buy it. 2  Light Magenta Tint: Add white to magenta. 3  Dark Magenta Shade: Add a small amount of black or green to transparent magenta. Green is magenta's complement.  Dull Magenta Tone: Add both white and black or green to magenta.