Solubility Essays

  • Solubility And Solubility Product

    1674 Words  | 7 Pages

    SOLUBILITY AND SOLUBILITY PRODUCT OBJECTIVE In this experiment you will determine the solubility and solubility product of a sparingly soluble salt, potassium hydrogen tartrate, and also in four solutions containing a common ion. INTRODUCTION When a salt of low dissolubility dissolves in water, equilibrium is established between the solid solute and the dissolved ions. There are two terms used in discussing this condition. The first is solubility, which is the maximum amount of salt that will

  • Essay On Solubility

    1230 Words  | 5 Pages

    Solubility of a Salt Introduction: The solubility of a pure substance in a particular solvent is the quantity of that substance that will dissolve in a given amount of a solvent. Solubility varies with the temperature of the solvent. Thus, solubility must be expressed as quantity of solute per quantity of solvent at a specific temperature. For most ionic solids, especially salts, and water, solubility varies directly with the temperature. That is, the higher the temperature of the solvent (water)

  • Solubility Lab Report

    1004 Words  | 5 Pages

    Solubility Enhancement by Chemical Modification Method Abstract Solubility, the phenomenon of dissolution of solute in solvent to give a homogenous system. It is an important parameters to achieve optimum concentration of drug in systemic circulation for desired pharmacological response. Oral route is the most desirable and preferred method of administering therapeutic agents for their systemic effects, but poor solubility of drug major problem encountered with formulation development

  • Melting Point Solubility Lab Report

    1257 Words  | 6 Pages

    type of chemical (ionic, molecular, macromolecular and metallic) has its own set of properties, by testing these properties and finding them out for each chemical, it was possible to classify them. The properties tested during this experiment were solubility in water, toluene, and ethanol and the electrical resistance for those soluble in water. The melting point was tested for the two unknown chemicals. II. MATERIALS AND PROCEDURES List of chemicals used: Sodium nitrate,

  • Experiment 5: Study Of Solubility Equilibrium

    1995 Words  | 8 Pages

    5: Study of Solubility Equilibrium Aim To determine the solubility product constant Ksp of a sparingly soluble salt potassium hydrogen tartrate (KHC4H4O6) in water To calculate the change in enthalpy (ΔH° reaction) and entropy (ΔS° reaction) of the reaction Results and Discussion The dissociation reaction of potassium hydrogen tartrate (KHC4H4O6) in water can be written as: KHC4H4O6 (aq) ⇆ K+ (aq)  HC4H4O6- (aq) Determination of Ksp at 284 K The expression of its solubility product constant

  • Solubility Test Lab

    751 Words  | 4 Pages

    Abstract The purpose of this lab was to identify the unknown and find out which solution is solubility. The test was done to determine the identity of the compound include solubility test, flame test, formation of precipitate and last PH test. It was found that the unknown compound smell like chorine, was soluble in water. The flame test matches the color of calcium chorine indicating that the unknown compound contained chorine, also the anion test sodium chorine proved to be positive. Resulting

  • Kneading Technique Lab Report

    3676 Words  | 15 Pages

    1. INTRODUCTION 1.1. CYCLODEXTRIN1, 2, 3:- For drugs to be pharmacologically active, they essential have assured degree of water solubility, and also maximum of them should be lipophilic in instruction to be permeable to the biological membranes through passive diffusion. The water solubility of drug is characterized by its potency and its type of formulation. The hydrophilic property will prevent the dissolved drug molecule to separate from the hydrous exterior into a lipophilic bio membrane and

  • Odourless Powder Essay

    1255 Words  | 6 Pages

    above results it is evident that OXB exhibits poor flow properties. 8.1.2 Determination of solubility The solubility data for OXB as observed in 0.1 N HCl, pH 4.5 Acetate buffer, pH 6.8 Phosphate buffer and Purified water is presented in Table 25. OXB exhibited a pH independent solubility phenomenon in all pH conditions and various aqueous buffers. Table 25: Solubility data of OXB BCS solubility (pH solubility) profile of OXB Sr. No Media mg / ml 1 0.1 N HCl 249.119 2 pH 4.5 Acetate buffer

  • Emtricitabine Case Study

    937 Words  | 4 Pages

    4-amino-5-fluoro-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-1,2-dihydropyrimidin-2-one c) Molecular Formula: C8H10FN3O3S d) Molecular Weight: 247.248 g/mol e) Description: white to off-white crystalline solid f) Melting point: 136 °C to140 °C g) Solubility: Freely soluble in methanol and in water; practically insoluble in methylene chloride. h) pKa value: 2.65 i) Route of administration: Oral j) Excretion: Renal (86%) and fecal (14%) k) Metabolism: Hepatic oxidation and glucuronidation CYP system

  • Recrystallization Of Acetanilide Essay

    920 Words  | 4 Pages

    suitable solvent being chosen and proper recrystallization technique being carried out. The solvent chosen had to have a different polarity than that of the molecule of interest. The technique used was dependent on the solubility of the solvent at higher temperature and the solubility of the impurities at all temperatures. To analyze the acetanilide product of the reaction, 1H NMR and IR were used. Results, Discussions, and Conclusions In this experiment, acetanilide was synthesized via

  • Calorimetry Lab Report Essay

    1908 Words  | 8 Pages

    A sample Calculation Calculation of the dissolved amount: Initial weight - Weight of substances left after the solution reached saturated state = Dissolved amount of substance Calculation for the average of three trials: (Data of 1st trial + Data of 2nd trial + Data of 3rd trial) / 3 = Average Appropriate Graph(s) For Electrical Conductivity Experiment: Raw Data Table (Credit: Cynthia, Emily, Haruka, Joshua, Keimin, Sean, Reorganized by me) Qualitative Observations No qualitative observation

  • Reaction Lab

    621 Words  | 3 Pages

    The solubility rules pertaining to the substances used during this lab are as follows: All nitrates, sulfates (except those containing Ba, Ca, Sr, Pb, and Hg₂), compounds containing alkali metals (Na), and chlorides (except those containing Ag, Pb, and Hg₂) are

  • Acid And Base Impurities Lab Report

    662 Words  | 3 Pages

    HCl is a polar molecule therefore it wouldn’t be soluble in diethyl ether, a nonpolar solvent. Based on solubilities, HCl is an inorganic compound that would rather be in the aqueous layer, while the diethyl ether, an organic compound would rather be in the organic layer. The upper layer consists of the organic solvent and organic products, which are the ether

  • Recrystallization Synthesis

    1514 Words  | 7 Pages

    determined through the process of recrystallization. The use of solvent determines the recrystallization process, so the selection of an appropriate solvent is vital for this process since the solubility of the crystals in the hot solvent, is dependent on decreased solubility when the solution is cooling. The solubility test helps in the determination of an appropriate solvent for a specific solute based on whether or not the solute dissolves

  • Baclofen Essay

    1745 Words  | 7 Pages

    3.1.4 Baclofen solubility: The solubility of Baclofen was measured in phosphate buffer solution (pH 7.4). The result of saturation solubility of Baclofen was found (5116.7 μg/ml) in phosphate buffer solution (pH 7.4) and (5633 μg/ml) in water. Determination of saturated solubility of pure Baclofen powder in phosphate buffer solution (pH 7.4) was necessary in order to maintain sink condition

  • Sodium Pentahydration Lab Report

    1214 Words  | 5 Pages

    Data: There were two separate sections of data collected: the Preparation Table(Table 1) and the Titration Table(Table 2). This was due to the initial production of the weight buret- the sodium thiosulfate solution and the dropping bottle- represented in Table 1 and the trials that occurred separately(Table 2). The initial mass of the solid sodium thiosulfate pentahydrate was 0.21 grams. Once the ten milliliters of water was added, the mass of the sodium thiosulfate solution as 9.70 grams(Table 1)

  • Isomers Lab Report Essay

    1400 Words  | 6 Pages

    the elements. Enantiomers, a type of isomer, are two compounds that are chemically similar, but are arranged as non-superimposable mirror images of each other. Enantiomers tend to have many similar chemical properties, such as melting point and solubility. In this experiment a pair of enantiomers, S-Carvone and R-Carvone

  • Crospovidone Analysis

    1377 Words  | 6 Pages

    disintegrant used at 2-5 % concentration in tablets prepared by direct compression or wet & dry granulation method. Description: White to creamy-white, finely divided, free- flowing, practically tasteless, odorless or nearly odorless, hygroscopic powder. Solubility: Practically insoluble in water and most organic solvents. Stability: Crospovidone is stable. Storage conditions: Since it is hygroscopic it should be stored in an airtight container in a cool, dry, place. Incompatibilities: When exposed to a high

  • Ninhydrin Lab Report

    1833 Words  | 8 Pages

    MSc FOOD BUSINESS MANAGEMENT AND TECHNOLOGY Food Formulation & Processing Laboratory Practical Submitted to, Submitted by, Janis Kelly Blesson Abraham Mathew

  • Fractional Distillation Procedure

    872 Words  | 4 Pages

    Physical Means was the first method we used to separate parts of Sludge. Physical Means means that you are taking something out (most likely a insoluble solid which is what we did) either with a tool or with your hands. We had four insoluble solids in our mixture and we used our fingers to remove each of them Distillation After we got the insoluble solids out by using Physical Means, we then used distillation to get the soluble solid out of the mixture. Distillation is a separation technique used