1.

Define the following terms:(i) Mole fraction(ii) Isotonic solutions(iii) Van’t Hoff factor(iv) Ideal solution

Answer»

(i) Mole fraction of a component in a solution may be defined as the ratio of moles of that component to the total number of moles of all the components present in the solution.
(ii) The solutions of the same osmotic pressure at a given temperature are called isotonic solutions.
(iii) van’t Hoff’s factor (i) may be defined as the ratio of normal molecular mass to observed molecular mass or the ratio of observed colligative property to normal colligative property.
(iv) A solution which obeys Raoult’s law over the entire range of concentration is called an ideal solution.


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