How much Vitamin C is in Fruit Juices?
For students in Grades 8-12.
In this experiment the student will use a lab procedure known as a titration to determine the amount of Vitamin C found in a 6 ounce serving of each of the following juices: orange juice, pineapple juice, and apple juice.
This is a very versatile lab that can be used in several different classes for many different topics.
--Use this lab when teaching nutrition and digestion to your biology students.
--Can be used in an anatomy and physiology class.
--I use this lab in my chemistry classes when introducing the idea of titration and stoichiometry.
Spot plate, Beral pipets or medicine droppers, White paper for background, Ascorbic acid standard solution, Apple juice, Orange juice, Pineapple juice, Starch solution, Iodine solution, Plastic toothpick (stirrer)
The four-page student handout includes:
Introduction, Purpose, Materials List, Safety Precautions, Procedure, Data Table, Calculations and Analysis Questions.
The three-page teacher guide includes:
Tips and suggestions, Instructions for mixing solutions, Solutions to the calculations, and answers to all questions.
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