A teacher has found two white 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. Substance X melts at 122°C and substance Y melts between 87 and 93 °C. Explain which one is the pure substance.

gorlatenkoviktoria gorlatenkoviktoria    1   08.10.2021 12:29    1

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илья1862 илья1862  08.10.2021 12:30

я отвечаю только ради

Объяснение:

хиххихих

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