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Date : May 14, 2014 Page : Table of Contents p. 27 New W.O.D: Last 3 pages Warm-ups: Front Cover W.O.D: Litmus – indicator paper used to show the pH of a solution. Question: What is the range of the pH scale? . pH Predictions.
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Date: May 14, 2014Page: Table of Contents p. 27 New W.O.D: Last 3 pages Warm-ups: Front Cover W.O.D: Litmus – indicator paper used to show the pH of a solution.Question: What is the range of the pH scale?
pH Predictions • Lithmus paper is used to test pH. • Find 10 liquids(orsolidsthat can be dissolved in water) in the room you want to test (appropriately!) • Predict whether the liquid is an acid, a base, or neutral. Thenpredictthe pH. Record your prediction in your SNB. • Set up 10 wells to test. Using the lithmus paper, test the result. • Record the actual pH. Do you reject or accept you hypothesis?
Lab guidelines • Wear goggles • Label each sample • Wash out eye dropper thoroughly between each sample • Clean up all supplies when finished –scrub well!