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 create the perfect shade of navy blue icing I like to mix navy or royal blue Americolor with black. Most of the time I use icing rather than gel paste because thereâs less risk of adding too much. Since weâre talking blue, hereâs a little visual on the wide range of colors you can achieve by mixing. 1  navy blue mixed with black royal icing. 2  royal blue mixed with sky blue {I love this color so much I wrote about it HERE}. 3  sky blue with a touch of royal blue and black.