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The heat of fusion Hf of ethyl acetate (C4H8O2) is 10.5kJ/mol. Calculate the change in entropy S when 5.5g of ethyl acetate melts at 84.0C.

The heat of fusion Hf of ethyl acetate (C4H8O2) is 10.5kJ/mol. Calculate the change in entropy S when 5.5g of ethyl acetate melts at 84.0C. Be sure your answer contains a unit symbol. Round your answer to 2 significant digits

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