Determination of a Chemical Formula 1 Second‚ you will conduct a chemical reaction with the dried sample‚ which will produce elemental copper. By measuring the mass of copper that forms‚ you will have the necessary information to determine the moles of copper and chlorine in your sample‚ and you will be able to establish the proper chemical formula. OBJECTIVES • • • In this experiment‚ you will Ev al Determine the water of hydration in a copper chloride hydrate sample. Conduct a reaction
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t-Pentyl Chloride is a compound that is created through an SN1 nucleophilic substitution reaction in addition with Hydrogen Chloride in order to isolate the product. A variety of procedural techniques were utilized during the experiment including extraction‚ washing liquids‚ drying liquids‚ gravity filtration‚ and simple distillation. When a single solute or compound is transferred between two different solutes‚ it is known as extraction. Another technique that was utilized was washing‚ in which
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Barium is a soft‚ heavy‚ silver-colored metal element. This element does not have very many uses outside of the laboratory‚ but it combines easily with other chemicals to form compounds used for important industrial uses. For example‚ Barium carbonate is used in the manufacture of ceramics and special glass‚ and also to purify certain chemical solutions. It is also an ingredient in clay slurries‚ also known as water muds‚ used in drilling oil wells. Barium titanate is used in sonar detectors and
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In the experiment‚ we tested a sodium chloride solution. Along with the tested solution‚ control groups (water and sodium phosphate) were used to be help understand whether or not NaCl was a buffer. Water was the negative control group and sodium phosphate was the positive control group. If NaCl was a buffer than the pH would be stabled as the sodium phosphate buffer. If NaCl was not a buffer than the pH would fluctuate like the negative control‚ water. During the first trial and prior to the drops
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Shawn Dubbs Lab 1 The Mole Concept of and the Chemical Formula of a Hydrate Abstract: The objective of this lab was to conduct an experiment to analyze the molar components in alum. This was conducted by heating the alum till the water had evaporated and then determining the number of moles for each component. Then using the these amounts to figure out the empirical formula for alum. Results: In order to determine how much of each separate component a total mass was taken before hand for
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Lab #6 Properties of Hydrates Purpose: The purpose of the “Properties of Hydrates” lab is to study hydrates‚ and be able to identify them. This lab also focuses on observing the reversibility of hydration reactions by hydrolysis‚ and also testing substances for efflorescence of deliquescence. Procedure: A. Identification 1. Place 0.5 grams of each compound (Nickel Chloride‚ Potassium Chloride‚ Sodium Tetraborate‚ Sucrose‚ Calcium Carbonate‚ and Barium Chloride) in a small dry test
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Discussion/Conclusion In this experiment‚ t-pentyl chloride was synthesis by reacting concentrated hydrochloric acid using nucleophilic substitution sn1. In the substitution reaction the Hydrogen in HCl protonated the alcohol group in t-pentyl alcohol and turned it to a good leaving group (H2O). a tertiary carbon cation was formed. a nucleophilic attach of the negative Cl- attacked the carbon cation forming t-pentyl chloride [7]. As the reaction proceeded‚ extraction and distillation techniques
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Empirical Formula for Zinc Chloride Name:__________________________________________ Course______ Period:____ Prelab Show your Calculations for the following problems 1. How many grams of sulfur would combine with 26.1 g of potassium to form K2S? 2. A 1.31g sample of sulfur was reacted with chlorine to form 4.22g of compound. What is the empirical formula of the compound? 3. 0.256g of a lanthanum oxide was decomposed and produced 0.219g of lanthanum. What is the empirical formula of the
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Purpose: The purpose of this experiment is to determine the number of moles of water molecules of crystallization of a sample of hydrated Barium Chloride. This can be calculated using Gravimetric Analysis and to indirectly determine the percent composition of a hydrate by taking advantage of its chemical properties. Introduction: Gravimetric procedures are analytical methods in which the results are determined from the masses of starting materials and products. These methods
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[ print page ]03.09 Molar Mass of Compounds: Determining the Formula of a Hydrate—Text Version When hydrates are heated‚ the water of hydration evaporates and is released as vapor. The remaining solid is known as the anhydrous salt‚ which is the compound same compound without the water molecules trapped inside. Title:The title of the lab should be at the top of the lab report. Purpose: In one or two complete sentences‚ state the purpose of this laboratory investigation. Materials: List
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