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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Lucas v. Dole 1 Running Head: LUCAS v. DOLE Case Analysis: Lucas v. Dole Lucas v. Dole 2 Case Analysis: Lucas v. Dole Abstract In the Fall of 1987‚ plaintiff Julia Lucas appeals the dismissal of her job discrimination suit. Lucas‚ a white woman‚ argues that she was the victim of reverse discrimination when Rosa Wright‚ a less qualified black woman‚ was promoted to the Quality Assurance and Training Specialist position at her job. The judge dismissed the
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Pizzeria Luca and Wine bar is located 8850 Holly Ave NE Ste J‚ Albuquerque‚ NM 87122‚ off of Paseo Del Norte‚ before Ventura stoplight‚ next to Bed Bath and Beyond. A nice little Italian Bistro in business since 2011‚ with an annual revenue of $280‚274.00‚ and ten employees serve Albuquerque‚ according to dandb.com/businessdirectory/pizzerialuca-albuquerque-nm-30816821.html. I had the pleasure of dining at Pizzeria Luca for the first time on February 19‚ 2017 for lunch. Although this small business
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Lucas The Mann I am not a fan of baseball. I don’t consider it a sport. This is most likely due to the idea being drilled into my head by my middle school lacrosse coach. He had a bumper sticker that had a little cartoon boy next to a lacrosse goal‚ whizzing on a baseball‚ but I digress. Walking into the room‚ I had the preconceived notion that it would be boring. Because baseball is a boring sport. They don’t even move half the time. I decided to keep an open mind anyway‚ because I needed material
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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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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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