Please show work So i can see.
The
vapor pressure of pure water at 63.0 C is 175 torr. What
is the vapor pressure of an aqueous solution of glucose (a
non-volatile nonelectrolyte) at the same temperature if the mol
fraction of glucose in the solution is 0.17?
a. 30.0 torr
b.
45.0 torr
c. 226 torr
d. 145 torr
e. We need to know the vapor pressure of pure glucose at that
temperature to provide an
The vapor pressure of pure water at 63.0 C is 175 torr. What is
the vapor pressure of an aqueous solution of glucose (a
non-volatile nonelectrolyte) at the same temperature if the mol
fraction of glucose in the solution is 0.17?
a. 30.0 torr
b. 45.0 torr
c. 226 torr
d. 145 torr
e. We need to know the vapor pressure of pure glucose at that
temperature to provide an
answer.
answer.
Given,
mole fraction of Glucose,
X(Glucose) = 0.17
So,
X(solvent) = 1 - X(Glucose)
= 1 - 0.17
= 0.83
According to Raoult’s law:
P = Po*X(solvent)
p = 175*0.83
p = 145 torr
Answer: d
Please show work So i can see. The vapor pressure of pure water at 63.0 C...
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q16
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