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Acidic Buffer Action

1.0 Molar sol...

Question

1.0 Molar solution of the complex salt, $C r C l_{3} . 6 H_{2} O$ displays an osmotic pressure of 3 RT. 0.5 L of the same solution will yield (assume $α = 1$ ) 'x' moles of $A g C l$ the value of 'x' is

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Solution

$π = i C R T; i = 3 = 1 + (n - 1) α$
For the salt $α = 1,$ hence n = 3.
$[C r (H_{2} O)_{5} C l] C l_{2} . H_{2} O + 2 A g N O_{3} \to [C r (H_{2} O)_{5} C l]^{2 +} + 2 A g C l (s)$
0.5 L of 1 M salt = $0.5 \times 2 = 1.0$ mole of AgCl

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Similar questions

Q. 2 litres of a 1 molar solution of a complex salt

C r C l_{3} . 6 H_{2} O

266.5 {g mol}^{- 1})

shows an osmotic pressure of

98.52 atm

. The solution is now treated with 1 litre of

6 M A g N O_{3}

. Which of the following statements is/are correct?

x

g of a non-electrolytic compound (molar mass

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x

g of a non-electrolyte (molar mass 20) are dissolved in 1.0 L of 0.05 M

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aqueous solution. The osmotic pressure of this mixture was found to be 4.92 atm at

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C. What is the value of

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Solutions having same molar concentration of solute may or may not have same osmotic pressure.

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