The vapor pressure of pure water at 25 c is 23.76 torr. What is the value of the

Question

The vapor pressure of pure water at 25 c is 23.76 torr. What is the value of the vapor pressure of an aqueous solution of a nonvolatile, weak monoprotic acid at a concentration of Xha= 0.010 The vapor pressure of pure water at 25 c is 23.76 torr. What is the value of the vapor pressure of an aqueous solution of a nonvolatile, weak monoprotic acid at a concentration of Xha= 0.010 The vapor pressure of pure water at 25 c is 23.76 torr. What is the value of the vapor pressure of an aqueous solution of a nonvolatile, weak monoprotic acid at a concentration of Xha= 0.010

Explanation / Answer

mole fraction of monoprotic acid = 0.01

mole fraction of water = 1 - 0.01 = 0.99

So,

vapor pressure of solution = mole fraction of water x vapor pressure of water

Feeding the given values from above,

vapor pressure of solution = 0.99 x 23.76

                                           = 23.52 torr

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