You have analyzed an aqueous ammonia solution and find that it contains 30 wt% NH 3.(a) to determine the mass fraction of NH 3 in the vapor that would be in equilibrium with this solution in a closed flask at 1 atm and the corresponding system temperature.(b) If the liquid phase in Part (a) accounts for 90% of the total system mass, calculate the overall system composition and specific enthalpy using balances.

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