1. Kindly answer the following and check the data below. Looking for:Unknown A- Melting point Range? Experimental melting point? Possible Identity? Percent Error,% (Melting point)?Unknown B- Melting point Range? Experimental melting point? Possible Identity? Percent Error,% (Melting point)? Table 3b.1. Observation on determination of melting point of unknown A.Temperature, °CAppearance of Samplein Capillary Tube...100.0103.0106.0111.0115.0117.0120.5121.0solidsolidsolidsolidsolidsolidsolid45.048.052.058.062.066.068.073.075.0appearance of first liquidsolid liquidTable 3b.2. Observation on determination of melting point of unknown B.Temperature, °CAppearance of Samplein Capillary TubesolidsolidsolidsolidsolidsolidsolidsolidsolidsolidTemperature, °C121.3121.5122.0122.0122.3123.0125.0127.077.078.079.079.080.080.081.081.085.0Temperature, °CAppearance of Samplein Capillary Tubeliquid solidliquid solidliquid solidliquid solidliquid solidliquid solidliquidliquidliquidAppearance of Samplein Capillary Tubesolidappearance of first liquidliquid solidliquid solidliquid solidliquid solidliquid solidliquid solidliquidliquid

Melting point: The melting point of a substance is the temperature at which it changes state from…

Unknown A- Melting point Range? Experimental melting point? Possible Identity? Percent Error,% (Melting point)? Unknown B- Melting point Range? Experimental melting point? Possible Identity? Percent Error,% (Melting point)?

Unknown A- Melting point Range? Experimental melting point? Possible Identity? Percent Error,% (Melting point)? Unknown B- Melting point Range? Experimental melting point? Possible Identity? Percent Error,% (Melting point)?

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter21: Structure And Bonding In Solids

Section: Chapter Questions

Problem 57AP

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Question

1. Kindly answer the following and check the data below. Looking for:

Unknown A- Melting point Range? Experimental melting point? Possible Identity? Percent Error,% (Melting point)?

Unknown B- Melting point Range? Experimental melting point? Possible Identity? Percent Error,% (Melting point)?

Table 3b.1. Observation on determination of melting point of unknown A.
Temperature, °C
Appearance of Sample
in Capillary Tube
...
100.0
103.0
106.0
111.0
115.0
117.0
120.5
121.0
solid
solid
solid
solid
solid
solid
solid
45.0
48.0
52.0
58.0
62.0
66.0
68.0
73.0
75.0
appearance of first liquid
solid liquid
Table 3b.2. Observation on determination of melting point of unknown B.
Temperature, °C
Appearance of Sample
in Capillary Tube
solid
solid
solid
solid
solid
solid
solid
solid
solid
solid
Temperature, °C
121.3
121.5
122.0
122.0
122.3
123.0
125.0
127.0
77.0
78.0
79.0
79.0
80.0
80.0
81.0
81.0
85.0
Temperature, °C
Appearance of Sample
in Capillary Tube
liquid solid
liquid solid
liquid solid
liquid solid
liquid solid
liquid solid
liquid
liquid
liquid
Appearance of Sample
in Capillary Tube
solid
appearance of first liquid
liquid solid
liquid solid
liquid solid
liquid solid
liquid solid
liquid solid
liquid
liquid

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