Solutions Test ...

What will be the molality of the solution prpared using 500 gm of 25 % w/w NaOH and 500 gm of 15 % w/w NaOH solution ? (Molecular weight of NaOH = 40 gm/mole)

What wiil be the molality of solution prepared by taking 25 % w/w NaOH and 15 % w/w NaOH solution ? (Molecular weight of NaOH = 40 gm/mole)

The density of 2.5 M NaOH solution is 1.15 gm/ml; then, which of the following alternative is correct for molarity and molality ?

Which of the following is correct for an ideal solution ?

Boiling point of Aqueous solutions of 0.05 m ABC and 0.02 m X₂Y₃ are same at 1 bar pressure; then, what will be the values of Van’t Hoff factor (i) for solute in both the solutions ?

Which of the following substances having concentration of aqueous solution 1% w/w, possesses higher boiling point ? (Molecular weight of Kcl, BaCl₂, glucose and Al₂(SO₄)₃ are 74.5, 208, 342 gm’mole respectively) (Assume that inonic solids dissociates completely in their aqueous solution)

Molecular weight of biomolecules such as protein can be determined by ______ method.

In the references of the following graph, UR -Oy = __________.

What will be the elevation in boiling point of an aqueous solution of 0.5 m NaCl ? ( i = 1.8)

When 2 gm phenol id dissolve in 100gm benzene; then depression in freezing point is 0.69 K. If its association is dimeric, then calculate its degree of association (X). Molar depression constant for solvent is 5.12 K - kg - mole^-1.