$p_A$ and $p_B$ are the vapour pressures of pure liquid components $A$ and $B$ respectively of an ideal binary solution. If $x_A$ represents the mole fraction of component $A,$ the total pressure of the solution will be
- A$p_B + x_A(p_B - p_A)$
- B$p_B + x_A(p_A - p_B)$
- C$p_A + x_A(p_B - p_A)$
- D$p_A + x_A(p_A - p_B)$
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