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Lab Report: Measuring pH
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Lab Report: Measuring pH INTRODUCTION Purpose: Explore acids and bases using 2 different pH indicators. Question: How can you use a red cabbage solution to determine the pH of a solution? Hypothes... is: If you can measure the pH of a range of acids and bases with a universal pH indicator, then you can use those values to calibrate a cabbage pH indicator. MATERIALS AND PROCEUDRE: Materials -Balance -10 g red cabbage -Thermometer -Distilled Water -250 mL beaker -Hot plate -10 test tubes -test tube rack -pH indicator paper (seven 1-in strips) with chart -0.00001 M HCl -0.001 M HCl -0.1 M HCl -0.001 M NaOH -0.01 M NaOH -Lemon Juice -Hand Sanitizer -Dishwashing liquid -14 transfer pipettes -Funnel -Filter paper -250 mL Erlenmeyer flask Procedure: 1. Gather materials. 2. Cook Up a Cabbage pH Indicator a. Weight out approximately 10 g of red cabbage. b. Cut the cabbage into small pieces about the size of a penny. c. Put the cabbage into an empty 250 mL beaker [Show More]
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