Chemistry, 16.10.2021 02:40 solisemily62

A teacher has found two wh te powders on a desk in the chemistry laboratory. She wants to test to see if they are pure substances, so she
measures the melting points. Substarce X meits at 1225C and substance Y
meits between 87 and 93°C. Explain which one is the pure substance.

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A teacher has found two wh te powders on a desk in the chemistry laboratory. She wants to test to...