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Gibbs Free Energy & Spontaneity

Which of the ...

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Which of the following is correct? (1) The sum of mole fractions of all the components in a solution is always unity (2) Mole fraction depends upon temperature (3) Mole fraction is always negative (4) Mole fraction is independent of content of solute in solution

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

Choose the correct option.

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

Q. Which of the following statements are correct?

(i) Mole fraction of a solute + mole fraction of solvent

=

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(ii) If equal weights of helium and methane are present in a gaseous mixture, then the mole fraction of He is

\frac{4}{5}

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Q. Define mole fraction. A solution of sucrose in water is labelled as

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Q. Mole fraction of NaOH in an aqueous solution is 0.3. Mole fraction of water is__________.

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