SC 130 Physical Science laboratory 13: Flower colors, acids, and bases

This laboratory explores the color components of flowers and the sensitivity of these colors to acids and bases.

Flower petal color constituents

[t] [List the pigments found in your flower petals and their R_f factor.]

Sensitivity to acids and bases

[t] [Make a table of results for the different floral solutions for sensitivity to acids and bases. ]

[a] [Report the R_f values from the first section of the laboratory.][Produce an analysis of the provided compounds as to whether they are acidic or basic.]

• ammonia
• vinegar