3 Mass of dry product 0.9 g 2.00 3.00 Calculations 1. Determine the limiting reagent for each trial. Show your calculations. (Hint: See the example in the Introduction.) Example: Trial 1: Note: These should be about the same and either CaCl2 or K2CO3 can be the limiting reagent depending on their initial masses. Trial 2: Table 3: Comparison of theoretical and actual yields for CaCO3 Trial # Limiting Reagent Theoretical Yield of CaCO3 Actual Yield of CaCO3 % Yield Trial 1
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Lab #3: Stoichiometry of a Precipitation Reaction October 14‚ 2014 Abstract: The purpose of the lab‚ Stoichiometry of a Precipitation Reaction‚ is to be able to calculate the amount of a second reactant we need to react with the reactant one. You must calculate the amount of the second reactant using stoichiometry to figure out what amount is needed. After the amount is calculated‚ you then can add it to the first reactant and it will give you a full reaction. To figure out what you
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Modbury High School SACE Stage 1 Chemistry Topic 5 Mole Concept and Stoichiometry Assignment 5: Volumetric analysis (titrations)‚ stoichiometry SOLUTIONS Note: Write answers neatly and legibly in your exercise book or on pad paper. ALWAYS include a title and name for your work and clearly indicate each answer. 1. a) 23.08 and 23.00 mL are concordant titre values. Average titre = (23.08 + 23.00) = 23.04 mL 2 b) Ca(OH)2
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some similar visions of how to live their lives. For example‚ as described in The Rule of St. Benedict and Beowulf‚ both the former Roman people and the Germanic people believed in some sort of immortality. While their ideas of immortality differed‚ both groups trusted that their lives‚ if lived a certain way‚ could lead them to attain a type of eternity after their deaths. As shown in The Rule of St. Benedict‚ the former Roman people believed that a kind of immortality could be achieved in the form
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Title: The Mysterious Benedict Society Author: Trenton Lee Stewart Setting: a. Place: 1. Stonetown 2. Nomansan Island 3. Learning Institute for the Very Enlightened b. Time: Alternate universe Characters: 1. Reynard "Reynie" Mudloon- an average-looking‚ eleven-year-old boy with above average smarts and leadership skills. He has a knack for solving even the most complex puzzles. 2. George "Sticky" Washington- a stick-thin‚ eleven-year-old boy with tea colored skin and a bald head
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reactant in the reaction‚ benzoin + nitric acid benzil‚ was benzoin at 0.00141 moles. This value was discovered by the initial amount of the reactants used: 0.30 grams benzoin and 1.5 ml Nitric Acid (see Eq 1). Using the moles of the limiting reagent benzoin‚ the theoretical yield of benzil was calculated to be 0.296 grams (see Eq 2). Before crystallization‚ the
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Give definitions and examples where applicable 1. Product 2. Reactant / Reagent 3. Theoretical Yield 4. Actual Yield 5. Percent Yield 6. Excess Reagent 7. Limiting Reagent 8. Law of Conservation of Matter Short Answer – explain the following: 9. What is conserved in every balanced equation (multiple answers)? 10. What determines the mole ratio in a balanced equation? 11. What is the proper method to determine limiting reagents? 12. What is the relationship between the masses of products and reactants
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Determining the Limiting Reactant and Percent Yield in a Precipitate Reaction (SMG 6D) AP Chemistry One example of a double replacement (metathesis) reaction is the mixing of two solutions resulting in the formation of a precipitate. In solution chemistry‚ the term precipitate is used to describe a solid that forms when a positive ion (cation) and a negative ion (anion) are strongly attracted to one another. In this experiment‚ a precipitation reaction will be studied. Stoichiometry
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BENEDICT SPINOZA If one were to make a list of iconoclastic and radical thinkers‚ Benedict Spinoza would rank high. His great and enduring work‚ Ethics‚ continues to have renewed impact‚ currently among environmentalists and ecologically minded thinkers. Spinoza wrote numerous philosophical‚ political‚ and religious criticism works. His efforts consistently express a mind set in favor of religious tolerance and in opposition to traditional religious orthodoxy. In his two major works‚ Tractatus
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Ferric Chloride TS —Dissolve 9 g of ferric chloride in water to make 100 mL. Thioacetamide TS —Dissolve 4 g of thioacetamide in 100 mL of water. Thioacetamide–Glycerin Base TS —Mix 0.2 mL of thioacetamide TS and 1 mL of glycerin base TS‚ and heat in a boiling water bath for 20 seconds. Use the mixture immediately. Lead Nitrate Stock Solution— Dissolve 159.8 mg of lead nitrate in 100 mL of water to which has been added 1 mL of nitric acid‚ then dilute with water to 1000 mL. Prepare and store
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