"Solubility lab" Essays and Research Papers

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    Separating the Components of Panacetin. Pre-Lab: Analgesic drugs are known for reducing pain‚ while antiseptic drugs reduce symptoms such as fevers and swelling. However‚ some of these drugs can reduce both illnesses. To obtain a pure compound in these drugs‚ the scientist needs to separate the desired compound by taking advantage of the different physical and chemical properties. Such as; different boiling points‚ melting points and their solubility properties. To do this a chemist can also asses

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    produce a milky substance‚ they are insoulubale. All of my phosphates formed a insoluble precipitate which is correct accourding to the solubility rules. All of my iodine reactions should have been soluble‚ my exception was Sodium Iodide and Copper(II) Nitrate. My barium Nitrate combined with Sodium sulfate was insoluble with is correct accourding to the solubility rules. All reactions with Chloride should have been soluble and they were. All Bicarbonate were in soluble‚ these I thought were soluble

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    developed primarily in the context of immediate release (IR) solid oral dosage forms. It is the scientific framework for classifying drug substances based on their aqueous solubility and intestinal permeability. It is a drug development tool that allows estimation of the contributions of three major factors‚ dissolution‚ solubility and intestinal permeability that affect oral drug absorption from immediate release solid oral dosage forms. The interest in this classification system is largely because

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    Solid C Synthesis

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    Extraction and analysis of two compounds from unknown solution C ABSTRACT Liquid C and solid C were both extracted from unknown solution by first using chemically active liquid-liquid extract‚ followed by vacuum filtration.  Liquid C and solid C were then purified with the use of simple distillation and recrystallization respectively.  Through the process of recrystallization‚ the percentage purity of solid C was found to be 6.01%.  The melting point range of purified solid C was 117.0 – 119

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    Experiment Anwer

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    KF 1(a) SOLUBILITY OF AN SALT BY TITRATION Date : __________________________ Name : _____________________________________________________ Matric no. : __________________________ 1. Objective(s) of Experiment To measure the change in solubility product of potassium periodate (KIO4)‚ when an inert salt (NaNO3) is added to the solution. 2. Why important to determine solubility? The solubility product expression can be used for predicting whether or not precipitation will occur

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    prelab 8

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    DETERMINATION OF % COMPOSITION OF PENNIES USING REDOX AND DOUBLE DISPLACEMENT (PRECIPITATION) REACTIONS Pre- Lab 8 Objective: The purpose of this experiment is to determine the percent composition of pennies using oxidation-reduction and double displacement reactions as well as titration techniques. We will take a post 1982 penny and place in a strong acid dissolving the zinc core and leaving behind the copper coating. We will figure out the percent composition from the mass of copper and zinc using

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    30 degrees Celsius‚ 40g of which solutes will completely dissolve in 100g of water? 16. How does pressure influence the solubility of gases? 17. Calculate the concentration of an aqueous solution that contains 15 grams of KCl in 50mL of water in molarity AND molality. Assume the density of the solution is 1g/mL. 18. You need to prepare 25.0mL of a solution of 1.5M HCl. Your lab provides you with 6M HCl stock solution. How do you prepare the solution you need? 19. What are colligative properties

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    ASSIGNMENT 3 BIOMOLECS

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    Ethanol Emulsion Test: Assignment 3 Introduction: The purpose of this lab was to test for the presence of lipids. Lipids consist of fats and oils. The test performed is called the Ethanol Emulsion test. The solubility of lipids and ethanol were broken down in this test. Lipids are non-polar organic compounds‚ making them un-soluble in water but soluble in organic solvents‚ such as ethanol. Sudan IV solution tested the oil in each sample by dying the lipids red and rising the oil to the top of the

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    gases Solubility and the Factors that Affect it * Solubility: Refers to the greatest amount of solute that a solvent will dissolve before the solution becomes saturated. Solubility is affected by temperature‚ pressure and the nature of the solute and solvent * The solubility of a substance depends on the temperature of the solution. * Temperature doesn’t affect the solubility of all solids the same way‚ but rise in temperature of the solvent negatively affects the solubility of gases

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    Bromo

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    Tatiana Pachova BSc‐2‚ chemistry    Assistant : Chandan Dey  Sciences II – lab. A           Nitration of bromobenzene (n°28)  1. INTRODUCTION    1.1) 1.2) Purpose    The  objective  of  this  experiment  is  to  synthesize  the  p‐bromonitrobenzene  (bromo‐1‐nitro‐4‐benzene) out of bromobenzene‚ by nitration.    Scheme    Br Br HNO3 / H2SO4     Mechanism    The first step is the formation of the NO2 from the nitric acid:    NO2 1.3) O O S N

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