Biology IA Exemplar: How does an increase in concentration of trifluoroacetic acid 10, 20, 30, 40, and 50 (± 1) vol% affect the quantity of anthocyanin pigment leaked in a trifluoroacetic acid (CF3COOH) solution from a purple cabbage of 20 (± 0.1) grams using a colorimeter monitored for 2 minutes of incubation in CF3COOH ? | RevisionDojo