An aqueous solution is 1.00% NaCl by mass. Its density is 1.071 g/mL at 25°C. The observed osmotic pressure of this solution is 7.83 atm at 25°C.
A. What fraction of the moles of NaCl in this solution are ion pairs?
B. Calculate the freezing point that would be observed for this solution; K_f for H₂O = 1.86°C kg/mol.

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The Answer of An aqueous solution is 1.00% NaCl by mass. Its density is 1.071 g/mL at 25°C. The observed osmotic pressure of this solution is 7.83 atm at 25°C. A. What fraction of the moles of NaCl in this solution are ion pairs? B. Calculate the freezing point that would be observed for this solution; K_f for H₂O = 1.86°C kg/mol.

An Aqueous Solution Is 1