5) Calculate the vapour pressure of solution formed by dissolving 5g of Glucose in 500g of Water. Vapour pressure of Pure Water = 760 mm
Answers
Answered by
0
Answer:
Mole fraction of solute, x
2
=
p
1
∗
−Δp
=
3000
3000−2985
=0.005
Now, x
2
=
M
1
m
1
+
M
2
m
2
m
2
/M
2
≈
m
1
/M
1
m
2
/M
2
∴0.005=
100/18
5/M
2
⇒M
2
=180gmol
−1
∴ The molar mass of solute is 180gmol
−1
.
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