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OpenStudy (anonymous):

a known compound has a melting point range of 134-137 degrees C. You record a melting point point range of 125-126 degrees C for a sample. IS this sample a pure compound?

OpenStudy (cuanchi):

may be it is a pure compound..., but it is not the same compound with the meltin point of 134-137C

OpenStudy (anonymous):

so it can be pure, because of the temp change?

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