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If a 50% mixture of 4-methoxyphenol (pure mp 57C) and a 50% mixture of an unknown solid (pure mp 55-57C) have melting range of 42-48C

If a 50% mixture of 4-methoxyphenol (pure mp 57C) and a 50% mixture of an unknown solid (pure mp 55-57C) have melting range of 42-48C (mp = melting point) Would the unknown compound be 4-methoxyphenol or a different compound? Please explain your answer.

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