Let V be the volume of an aqueous solution of NaCl at 25°C and 1 atm that contains 1000 g of water and nB moles of NaCl. One finds that the following empirical formula accurately reproduces the experimental data:
(a) Show that the NaCl partial molar volume is
(b) Find for a solution with NaCl molality mB = 1.0000 mol/kg.
(c) Use (9.16) to show that the partial molar volume of the water in the solution is
(d) Show that the results for (a) and (c) can be written as
Since and mB are all intensive quantities, we need not specify nA in these equations.
(e) Find for a solution with mB = 1.0000 mol/kg.
(f) Find
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