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.
How to Mix Paint Colors to Make Brown. Two Methods: Mixing Brown Using a Color Wheel Mixing Brown with a Pantone Guide Community Q&A. Brown. It's such awesome word, but it covers a wide variety of colorsâthere are light browns, dark browns, hot browns, cold browns, reddish, greenish, and bluish browns.