1. Develop a detailed separation scheme for the separation and determination of the percent composition of your sample which will be a mixture of NaCI, NH,CI, and sand. You are expected to use the properties of the components listed below and some of the techniques listed in the table in the pre-lab queries (and used in Separations I). Keep in mind that any chemistry student should be able to pick up your scheme, understand it, and use it to complete the separation and calculation of % composition. Place the scheme on a separate sheet of paper. Component Solubility (@25°C) Melting Point Hardness sodium chloride, NaCl 35 g/100 mL water 801°C soft ammonium chloride, NH&Cl 37 g/100 mL water sublimes 350°C soft sand, SIO2 insoluble 1600°C hard
1. Develop a detailed separation scheme for the separation and determination of the percent composition of your sample which will be a mixture of NaCI, NH,CI, and sand. You are expected to use the properties of the components listed below and some of the techniques listed in the table in the pre-lab queries (and used in Separations I). Keep in mind that any chemistry student should be able to pick up your scheme, understand it, and use it to complete the separation and calculation of % composition. Place the scheme on a separate sheet of paper. Component Solubility (@25°C) Melting Point Hardness sodium chloride, NaCl 35 g/100 mL water 801°C soft ammonium chloride, NH&Cl 37 g/100 mL water sublimes 350°C soft sand, SIO2 insoluble 1600°C hard
Chapter20: Nucleophilic Substitution Reactions: Competing Nucleophiles
Section: Chapter Questions
Problem 8Q
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Transcribed Image Text:1.
Develop a detailed separation scheme for the separation and determination of the percent
composition of your sample which will be a mixture of NaCl, NH.CL, and sand. You are
expected to use the properties of the components listed below and some of the techniques listed
in the table in the pre-lab queries (and used in Separations I). Keep in mind that any chemistry
student should be able to pick up your scheme, understand it, and use it to complete the
separation and calculation of % composition. Place the scheme on a separate sheet of paper.
Component
Solubility (@25°C)
Melting Point
Hardness
sodium chloride, NaCl
35 g/100 mL water
801°C
soft
ammonium chloride, NH&Cl
37 g/100 mL water
sublimes 350°C
soft
sand, SIQ2
insoluble
1600°C
hard
Example of
compounds
in a
container.
Naci
NH.CI
sio2
Exploring the Chemical World, PGCC, 2003
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A mixture is a combination of two or more individual substances that may have uniform composition or nonuniform composition through out the mixture. These individual substances can be separated easily depending on their physical properties. Some of the physical properties that are utilized for separation of substances in mixture such as size, density, mass, magnetic property, boiling point, melting point, sublimation temperature, solubility, etc. Separation techniques play an important role during the purification of the synthesized compounds and extraction of certain metals or compounds from ore.
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