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.
Silver or Grey = Mix 1 part Black + 1 part Blue. Mix in touches of White to get desired shades. Sky Blue = Mix 1 part Blue + 2 parts White. Teal = Mix 1 part Blue + 1 part Green. Teal can go towards the Blue side or the Green side by simply adding a touch more of either color until you get the desired shade.hen beginning to paint on canvas, purchase only the neutral colors of black, white, brown and the primary colors of red, yellow, and blue. You can mix all other colors from these six basic colors. To get a darker shade of any color, mix in a touch of black until you get the desired darkness.