f. what happen with the salicylic acid when heated?
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f. what happen with the salicylic acid when heated?
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Answer:
Pure salicylic acid crystallizes from hot water in the form of white needles, which sublime without decomposition at temperatures up to 155 °C (311 °F) and melt at 159 °C (318 °F). Above 200 °C (392 °F), the acid decomposes to phenol and carbon dioxide.