Polarity and Solubility PredictionsDirections: Show your molecule below. Circle or highlight all polar portions of the howmolecule. Make a reasonable prediction about whether your molecule will be soluble inwater or not and explain your reasoning. If your molecule seems to be borderline inpolarity, making it difficult to predict solubility, explain your reasoning and the difficultyinvolved. Find a source (Merck Index, PDR, etc.) that discusses the water-solubility ofyour drug. Compare your predictions with the information you find on the water-solubilityof your drug and comment on any discrepancies.Calculate howvol) solution ofmL of

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Answered: Polarity and Solubility Predictions…

EBK A SMALL SCALE APPROACH TO ORGANIC L

4th Edition

ISBN:9781305446021

Author:Lampman

Publisher:Lampman

Chapter1: Solubility

Section: Chapter Questions

Problem 1Q

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1. Solubility Test Table 1. Results for the solubility test. OBSERVATION* INFERENCE SAMPLE Ethyl acetate ** Нехаne Methanol Water Coconut oil Vitamin E Beef fat Miscible (soluble) or immiscible (insoluble) ** polar or nonpolar Sudan IV Test Table 2. Results for Sudan IV test. OBSERVATION* INFERENCE SAMPLE Нехаne Ethyl acetate Methanol Water ** Coconut oil Vitamin E Beef fat Homogeneous or heterogeneous mixture ** polar or nonpolar
Materials Needed solid I2 solid CUSO4-5H20 food dye solid (NH4)2SO4 heavy metals waste container halogenated waste container non-halogenated waste container semi-micro test tubes and rack regular test tubes and rack squash pipettes acetone cyclohexane propan-2-ol Method Part A: Solubility of ionic and molecular solids 1. Place a small amount (about the size of 1 grain of rice, see picture) of copper sulfate into each of three DRY semi-micro test tubes. Add 20 drops of water to the first test tube and gently flick the test tube with your finger to ensure mixing. 2. Repeat step 1 using acetone in place of water as the solvent in the second test tube. 3. Repeat step 2 replacing acetone with cyclohexane in the third test tube. Hold the test tubes against a white background to compare the solubility of copper sulfate in the three solvents and record your results. Discard these mixtures into the heavy metals waste container in the fume cupboard. Once these test tubes have been emptied you…
Sketch a solubility curve for a solid in water be sure to label the axis and describe the trend. в I U Format ... Add a File Record Audio Record Video
Part III: Determination of Saturated Solutions Molarity (saturated) Tube # Temperature (°C) Molarity (dilute) Absorbance 2 0.6 0.157 20.1 0.291 4 37.6 0.351 50.1 0.500 6. 70.9 0.714 show calculation for Tube #2, Molarity (dilute) (use graph equation): show calculation for Tube #2, Molarity (saturated): 1. Is the relationship between solubility and temperature direct or inverse? Explain.
Rank a series of molecules by expected solubility in water based on polarity and hydrogen bonding. Some slightly soluble compounds are included in this exercise. Rank the organic compounds from most soluble to least soluble. To rank items as equivalent, overlap them. View Available Hint(s) Reset Help Η Η Η Η H H H H ннно Н-С-С — С —С— ОН Н-С-С-С —С -Н Н-С—С—С — С -ОН Η Η Η Η Η Η Η Η Η Η Η нн Η Η Н-С—С— О—С—С — Н нн нн Most soluble Least soluble
Pre-lab question #8: Suppose you were dissolving a metal such as zinc with hydrochloric acid. How would the particle size of the zinc affect the rate of its dissolution? As the particle size of the zinc increases, the rate of dissolution AA (decreases/increases).
A solution of potassium hydroxide KOH was prepared by dissolving 1g of it in 100ml of distilled water. If you know that the water density is 1g / ml, calculate: 1. The molar focus 2. Molar concentration
Lab report – investigating solubility of solids in water and interpreting the solubility curves. - Solubility Curves 150 140 130 120 NANO KNO: 110 100 90 80 HCI 70 NH,CI 60 KCI NH 50 40 NaCl 30 KCIO, 20 10 SO2 10 20 30 40 50 60 70 80 90 100 Temperature °C Use the above graph to answer the following questions. 1.What is the solubility of KCI at 80 degree С?.... 2Which solvent is used in this experiment?.. 3. What is the solubility of NH3 at 10 degree C?... 4.Which two solutes have same solubility at 60 degree C?. 5.At 90 degree C, 10 g of NH3 is dissolved in 100 g of water. Is this solution saturated , unsaturated or unsaturated ? 6.Which term is used to represent a solution in which more solute can be dissolved?... 7.--- + = solution 8.Which is the most soluble solute at 20 degree C?. 9.Identify the solute which is a gas ?. 10. What happens to the solubility of solids when temperature increases?.. Grams of solute /100 g H,O
Fake Compound: Name: DaCh2 Formula: dampium dichronide Da ~ Group 14, non-metal Ch ~ Chalogens, non-metal How to draw a solubility curve? With a labeled axis
Substance Formula Acetone. lodine Biphenyl C₂H₂O 1₂ C₁₂H₁0 Structure (show all bonds, Aen, label P/NP) Predicted Polarity Solubility Experimentál Solubility Polarity
TASK 2: HEAT or COOL Directions: True or False: Write the word "HEAT" if the statement is CORRECT or "COOL" if the statement if“INCORRECT" 1. A phase diagram is a graphic summary of the chemical state of a substance as a function of temperature and pressure in a closed system. 2. Mole fraction is the ratio of the number of moles of solute to the total number of moles of substances present. 3. The solubility of a solute is the amount of solute that will dissolve in a given amount of solvent to produce a saturated solution. 4. During freezing, energy is absorbed and during melting, energy is removed. 5. The concentration of a solution is a macroscopic property and represents the amount of solute dissolved in a unit amount of solvent or of solution.
A 21.47-mL sample of hydrochloric acid solution requires 35.00 mL of 0.109 M sodium hydroxide for complete neutralization. what is the concentration of the original hydrochloric acid solution? Submit Answer Try Another Version 2 item attempts remaining Previous Next Save and Exit Cengage Learning | Cengage Technical Support

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