Help cococococo cococococo doing this for the points or whatever it is cococo
2 answers:
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Explanation:
The given data is as follows.
Pressure (P) = 170 torr, mass of heptane (m) = 86.7 g
First, we will calculate the number of moles as follows.
No. of moles =
=
= 0.867 mol
Now, the number of moles of are calculated as follows.
No. of moles =
=
= 1.07
Therefore, mole fraction of heptane will be calculated as follows.
Mole fraction =
=
=
= 0.445
Now, we will calculate the partial pressure of heptane as follows.
=
= 75.65 torr
Thus, we can conclude that the partial pressure of heptane vapor above this solution is 75.65 torr.