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Chapter 7: Chemical Analysis and Laboratory Techniques
— How do we know what something is made of? This chapter shows you how. —
Why this matters
(I once asked a class, "If I gave you an unlabelled bottle of clear liquid, how would you find out what it is?" Most students shrugged. Then I said, "By the end of this chapter, you will know exactly how. You will know how to test for ions, how to separate mixtures, how to identify unknown substances, and how to measure how much of each substance