4 pts acture.com/courses/1691313/quizzes/3173441/take Question 38 The osmotic pressure of a 0,010 M MgSO4 solution at 25°C...

Question

Question

Answer 1

Answer #1

Answer: The van't Hoff factor for this magnesium sulfate solution is 1.3.

Solution:

Concentration of magnesium sulfate solution = c = 0.010 M

Osmotic pressure of the solution = $\pi$ = 0.318 atm

Temperature of the solution = $T = 25°C= 25 + 273.15K = 298.15K$

The value of van't Hoff factor for magnesium sulfate = i =?

The osmotic pressure of a solution is gven by :

$= 1 XCXRXT$

$i= CXRXT 0.318atm 0.010M X 0.08206atmL/(Kmol) x 298.15K$

$CXRXT 0.318atm i= 0.010M X 0.08206atmL/(Kmol) x 298.15K i= 1.29975 ~ 1.3$

The van't Hoff factor for this magnesium sulfate solution is 1.3.

Answer 2

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