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The sum of mole fraction of all componen...

The sum of mole fraction of all components of a solution is unity.

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Assertion (A): The sum of mole fractions of all the component of a solution is unity. Reason (R ): The mole fraction is a temperature dependent quantity.

Assertion: The sum of mol fractions of all the components of a solution is unity. Reason: Mole fraction is temperature dependent mode of concentrations.

The sum of the mole fraction of the components of a solution is

Sum of mole fractions of the two components of a solution is

The units of mole fraction of a compound in solution are-

A chemist prepared a solution by adding by 230 g of pure ethanol (C_(2)H_(5)OH) to 144 g of water. Calculate the mole fractions of these two components. The molar masses of ethanol and water are 64 g and 18 g , respectively. Strategy: To calculate the mole fractions, we must find the number of moles of ethanol and of water. To find the moles, we must divide the given mass by the respective molar mass. In a two-component system made up of A and B molecules, the mole fraction of a component of a solution, say, component A is written chi_(A) and is defined as Mole fraction of component A= chi_(A) =("moles of A")/("sum of moles of A and B")

A solution contains 2.5 mol of H_(2) O . Calculation the mole fraction of each component of the solution.

The plot of total vapour pressure as a function of mole fraction of the component of an ideal solution formed by mixing liquids X and Y is

MODERN PUBLICATION-SOLUTIONS-REVISION EXERCISES (VERY SHORT ANSWER QUESTIONS)
  1. What is the effect of increase in temperature on the solubility of a g...

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  2. Vant Hoff Factor

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  3. The factor or process which best explains the rise of water from roots...

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  4. What is the effect of temperature on molarity of a solution?

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  5. Calculate the normality of 1.5 MH(2)SO(2)

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  6. How are DeltaT(b) and DeltaT(f) related to the molar mass of the solut...

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  7. Define molarity and also write its formula.

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  8. Two liquids A and B boil 145^(@)Cand 190^(@)Crespectivly. Which of the...

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  9. Under what condition Van't Hoff factor (i) is (a) equal to unity, ...

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  10. Under what condition Van't Hoff factor (i) is (a) equal to unity, ...

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  11. (a) Define Kohlraush’s law.

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  12. Rubbing isopropyl alcohol often gives a cooling sensation to the skin....

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  13. Azeotropic mixture:

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  14. Explain why concentration in terms of molality is preferred in compari...

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  15. The enthalpy of reaction, Delta(r) H, is

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  16. Which law defines entropy in thermodynamics

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  17. The sum of mole fraction of all components of a solution is unity.

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  18. Differentiate between molarity and molality of a solution .How can we ...

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  19. Calculate the value of van't Hoff factor for a dilute solution of K(2)...

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  20. State the condition resulting in reverse osmosis.

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