4. A student prepared a compound. The melting point of the crude product was 42 to 48°C. After purifying the solid for the first time, the melting point was 47 to 51°C. After another purification, the melting point was 50 to 53°C. At this stage, can the student confidently say the product has been completely purified? Justify your answer. ied

4. A student prepared a compound. The melting point of the crude product was 42 to 48°C. After purifying the solid for the first time, the melting point was 47 to 51°C. After another purification, the melting point was 50 to 53°C. At this stage, can the student confidently say the product has been completely purified? Justify your answer. ied

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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