PRACTICAL # 3 Title: Solubility Product of Ca(OH)2 Aim: To find the solubility and the solubility product of calcium hydroxide. Theory: Define‚ with equation‚ the solubility product. Find‚ from literature‚ the solubility product of calcium hydroxide at 25oC. Experimental: Reagents: solid calcium hydroxide‚ water‚ 0.1 moldm-3 hydrochloric acid Apparatus:
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082 g/mL | Irritant (eyes/skin). Toxic by inhilation‚ Flammable (fp 49 ºC). | Discussion: Recrystallization is a widely-used technique to purify a solid mixture. The desired product is isolated from its impurities by differences in solubility. Insoluble impurities and colored impurities can be removed from hot solvent through the use of activated carbon and filtration. Soluble impurities remain in the cold solvent after recrystallization. The desired product should be as soluble as
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laboratory is to calculate the solubility of a substance under a variety of temperatures and construct a solubility curve based on experimental data to see the effect of temperature on solubility. Data collection and quantitative observation VOLUME H2O/ml/±0.05 TEMPERATURE/°C/±0.1 5.00 71.3 6.00 59.3 7.00 52.4 8.00 47.2 9.00 41.8 Mass of NaCl: 3.0±0.05 g Data Processing To calculate the solubility‚ we need to use the formula: Solving for x‚ the solubility of salt‚ we get the formula:
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1/03 1 Solubility data for four different salts in water at 60oC are shown in the table below. Which salt is most soluble at 60oC? (1) A (2) B (3) C (4) D Answer--> Choice D =0.5g/g H2O 2 Base your answers on the information below. When cola‚ a type of soda pop‚ is manufactured‚ CO2(g) is dissolved in it. 1. A capped bottle of cola contains CO2(g) under high pressure. When the cap is removed‚ how does pressure affect the solubility of the dissolved
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RECRYSTALLIZATION OF ACETANILIDE ABSTRACT Recrystallization is the primary method for purifying solid organic compounds through the differences in solubility at different temperatures. In this experiment‚ a suitable solvent was first determined. Acetanilide was produced by acetylation of aniline with acetic anhydride. The crude acetanilide was dissolved in a solvent in a heating water bath. The hot solution was filtered and the filtrate‚ cooled slowly in an ice bath as crystals started forming
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Solubility is the ability of a substance‚ or solute‚ to dissolve and homogenously disperse throughout another substance‚ or solvent. In order for drugs to be therapeutically effective and bioavailable‚ it must first be highly soluble. Poor solubility and low dissolution rates of drugs in the aqueous gastrointestinal tract lead to decreased bioavailability. Solubilization of poorly soluble drugs is a challenge in the formulation of newly developed drugs. Because many medications are administered orally
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School Topic : Solubility product of Constant (Ksp) Grade : XI Semester : 2 Time Allocated : 30 minutes I. Competency Standard Understanding properties‚ measuring method and applying of acid base solutions. II. Basic Competency Predicting precipitation from a reaction based on solubility and solubility product constant principle III. Indicator 1. Explain the meaning of Solubility Product Constant (Ksp) 2. Write down the Solubility Product Constant’s
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Solubility Rules Chart Negative Ions (Anions) + Positive Ions (Cations) = Solubility of Compounds in water Example any anion + Alkali Ions (Li+‚ Na+‚ K+‚ Rb+‚ Cs+‚ Fr+) = soluble Sodium fluoride‚ NaF‚ is soluble any anion + hydrogen ion [H+ (aq)] = soluble hydrogen chloride‚ HCl‚ is soluble any anion + ammonium ion (NH4) = soluble ammonium chloride‚ NH4Cl‚ is soluble nitrate NO3- + any cation = soluble potassium nitrate‚ KNO3‚ is soluble acetate (CH3COO-) + any cation (except
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Experiment 1: Solubility of Organic Compounds (Answers to Questions) Q1. State what types of inetmolecular forces are present in solutions formed due to intermolecular attractions between the solute and the solvent. A1. For Water-Soluble Compounds: Acetone – Water: Hydrogen bonding and van der Waals forces Acetone – Diethyl Ether: Dipole – (induced) dipole and van der Waals forces Sucrose – Water: Hydrogen bonding and van der Waals forces Ethyl alcohol – Water: Hydrogen bonding
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can also be dissolved in a liquid solution. c. Solid Solution- is a mixture of solids spread equally throughout one another. Metal is an example of a solid solution at room temperature. 3. Solubility is the ability of one compound to dissolve in another compound. 4. a. Temperature - Basically‚ solubility increases with temperature. It is the case for most of the solvents. The situation is though different for gases. With increase of the temperature they became less soluble in each other and in
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