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(1) A student was given a white solid of an unknown, having a melting point ranging from 119°C to 121°C. If the student was previously working with a benzioc acid, observed to be a white crystalline solid and having a melting point of 122, (a) Can the student conclude that the unknown is benzioc acid on the basics of her work? State with reasons. (b) What additional experiment should be done to verify this compound?? (2) Suggest one observation that will tell the student when the reading on the thermometer, shows the boiling point of a liquid (3) What effect of the boiling point is produced by: a soluble non-volatile impurity, such as table salt and an insoluble foreign substance, such as sand
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