2.56g of sulphur (colloidal sol) in 100ml solution shows Osmotic pressure of 2.463 atm at `27^circ`c. How many sulphur atoms are associated in colloidal sol? [Solution constant =0.0821atm ` mol^-1k^-1`]

At 298 K, 1000 cm^(3) of a solution cocontaining 4.34 g solute shows osmotic pressure of 2.55 atm. What is the molar mass of solute ? (R=0.0821Latm K_(-1)mol^(-1))

A 0.15 M aqueous solution of KCl exerts an osmotic pressure of 6.8 atm at 310 K. Calculate the degree of dissociation of KCl. (R = 0.0821 Lit. atm K^(-1)"mol"^(-1) ).

Osmotic pressure of a 0.01 M solution is 0.7 atm at 27^(@)C , its van't Hoff factor will be

What will be the concentration of sucrose solution which develops an osmotic pressure of 2 atm at 27^(@)C ?

A solution is prepared by dissolving 9.25 g of non volatile solute in 450 ml of water. It has an osmotic pressure of 350 mm of Hg at 27^(@)C . Assuming the solute is non-electrolyte, determine its molecular mass. (R = 0.0821 lit atm K^(-1)mol^(-1) )

100 mg of a protein was disoved in just enough water to make 10 mL of the solution. If the solution has an osmotic pressure of 13.3 mm Hg at 25^(@)C , what is the mass of prtein (R=0.0821 L atm mol^(-1)K^(-1))

(a) Define the following terms: (i) Mole fraction (ii) Van't Hoff factor (b) 100mg of a protein is dissolved in enough water to make 10.0 mL of a solution. If this solution has an osmotic pressure of 13.3 mm Hg at 25^(@)C , what is the molar mass of protein? (R=0.821 L "atom mol"^(-1)K^(-1) "and" 760mm Hg=1 atm.)

The osmotic pressure of 0.1 M sodium chloride solution at 27^@C is

pH of 0.1 M aqueous solution of weak monoprotic acid HA is 2. Calculate osmotic pressure of this solution at 27^(@)C . Take solution constant R="0.082 L atm/K-mol"

1.2575 g sample of [Cr(NH_(3))_(6)]SO_(4)Cl(Mw=251.5) is dissolved to prepare 250 mL solution showing an osmotic pressure of 1.478 atm of Hg at 27^(@)C . Which of the following statements is/are correct about this solution?