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Science

Chemistry

gives

Chemistry In Focus

7th Edition

ISBN:9781337399692

Author:Tro, Nivaldo J.

Publisher:Tro, Nivaldo J.

Chapter15: The Chemistry Of Household Products

Section: Chapter Questions

Problem 51E

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Question

Compound A has a melting point range of 78-80 ºC and compound B has a melting point range of 80-82 ºC.

An unknown compound X is found to have a melting point range of 79-81 °C.

Compound X and compound A are mixed together and mixed melting point analysis gives a range of 65-74 ºC .

Which of the following statements is definitely true?

		Compound X is not pure.
		Compound X is compound A.
		Compound X is compound B.
		Compound X is not compound A.
		Compound X is not compound B.

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