Experiment 8: Redox Titration You are hired by a company producing vitamins. Knowing that you have background in analytical chemistry, your first assignment is the analysis of Vitamin C. 1. From a list of chemicals below, choose the reagents that you need for the analysis and state the purpose of the chosen reagent in just 1 sentence. CHEMICALS/REAGENTS Solid CaCO3 Solid Na2S2O3-5H20 0.10M HCI NH3-NHACI buffer Solid KIO: Eriochrome Black 0.50M H2SO4 3.0 M NH3 Solid Na2CO3 Phenolphthalein 0.30M H2SO4 0.1M NaOH Solid KI Starch indicator 0.04M CUSO4 Methyl orange In your answer, follow the format: Reagent - Purpose of the Reagent