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Problem- Calculate the weight of benzene codistilled with each gram of water and the percentage composition of the vapor produced during a steam distillation. The boiling point of the mixture is 69.4C. The vapor pressure of water at 69.4C is 227.7 mmHg.
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Define the standard enthalpy of formation of Al3 + (aq) is -538.4kJ/mol. Explain how much heat is evolved when .1377g of Al(s) reacts with excess hydrochloric acid
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