Consider the dissociation of the weak acid HX as given below

, [: dissociation constant]

The osmotic pressure of 0.03 M aqueous solution of HX at 300 K is bar (nearest integer).

[Given: ]

Question

Consider the dissociation of the weak acid HX as given below

,  [: dissociation constant]

The osmotic pressure of 0.03 M aqueous solution of HX at 300 K is  bar (nearest integer).

[Given: ]

Canvas Classes · Accepted Answer

Strategy:
 Calculate the degree of dissociation from the acid dissociation constant, determine the van't Hoff factor, and apply the osmotic pressure formula.

Step 1: Calculate degree of dissociation ()

Step 2: Find van't Hoff factor ()

Step 3: Calculate osmotic pressure ()

Step 4: Express as 
.

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