3. State whether the following experimental errors will affect the melting point range of a sample...

 

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3. State whether the following experimental errors will affect the melting point range of a sample (high, low, no affect) and EXPLAIN why for credit. a. The melting point capillary tube was two-thirds full. b. The rate of heating was 5° minute. c. The sample was not tightly packed. d. A piece of glass was in the packed sample. 4. A student determined the melting point range of an unknown solid to be 121-122°C. He allowed the sample to cool and solidify. He repeated the melting point determination using the same sample tube and found the range had changed to 112 - 119°C. Explain. 3. State whether the following experimental errors will affect the melting point range of a sample (high, low, no affect) and EXPLAIN why for credit. a. The melting point capillary tube was two-thirds full. b. The rate of heating was 5° minute. c. The sample was not tightly packed. d. A piece of glass was in the packed sample. 4. A student determined the melting point range of an unknown solid to be 121-122°C. He allowed the sample to cool and solidify. He repeated the melting point determination using the same sample tube and found the range had changed to 112 - 119°C. Explain.

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a The melting point capillary tube being twothirds full will likely affect the melting point range p... View the full answer