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.
To make it easy for you to select a gray color we have compiled a table of gray shades for you: The combination of Red, Green and Blue values from 0 to 255 gives a total of more than 16 million different colors to play with (256 x 256 x 256).