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# Give two general character of Ideal of two liquids

Give two general character of Ideal of two liquids

They follow Raoult’s Law, which means partial pressure of components A and B in a solution will be $P_A = P_A^{\circ} x_A$ and $P_B = P_B^{\circ} x_B$
The enthalpy of mixing of two components should be zero, that is, $\Delta_{mix} H = 0$.This signifies that no heat is released or absorbed during mixing of two pure components to form an ideal solution
The volume of mixing of two components should be zero that is, $\Delta_{mix} V = 0$. This means that total volume of solution is exactly same as the sum of the volume of solute and solution. Adding further, it also signifies that there will be contraction or expansion of the Volume  while the mixing of two components is taking place.