Activity 3: What is the Evidence that a Solution is saturated? Materials Needed • 6 teaspoons sugar CAUTION: Use carefully the following laboratory instruments/kitchen materials to avoid damage and accident during the conduct of activity. • 1 cup of water • 1 measuring cup (1cup capacity) • 1 measuring spoon (½ tsp capacity) • 2 small clear, transparent bottle • 2 stirrers /spoon • 1 thermometer Procedure: 1. Put 20 mL (approximately 2 tablespoons) of water in a small clear transparent bottle. Add ½ teaspoon of sugar and stir. Q1. What is the appearance of the solutions? Write your observations. 2. To the sugar solution in step #1, add ½ teaspoon sugar, a small portion at a time and stir the solution to dissolve the sugar. At this point, you have added 1 teaspoon sugar. 3. Add ½ teaspoon of sugar to the sugar solution in step #2 and stir the solution. At this point, you have added one and ½ teaspoons of sugar. 4. Continue adding ½ teaspoon sugar to the same cup until the added sugar no longer dissolves. Q2. How many teaspoons of sugar have you added until the sugar no longer dissolves? _________ Teaspoons Note: In this step, you will observe that there is already excess sugar which did not dissolve. Q3. So, how many teaspoons of sugar dissolved completely in 20 mL of water? ____________ Teaspoons Note: This is now the maximum amount of sugar that will completely dissolve in 20 mL of water.
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An object has a weight 176 gram & occupies q space of 1,372m3.find its density & determine if the object will sink or (i need solution)
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Q1. What is the appearance of the solutions? Write your observations.
Observation: The water is able to pull individual sugar molecules from the bulk sugar crystals into the solution because solvent is attracted to the solute which is the sugar.
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