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Solutions Part 1

Section: Chemistry

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Question : 82 of 100

Marks: +1, -0

Two liquids

X

Y

form an ideal solution. At

300\,\text{K}

, vapour pressure of the solution containing

1\,\text{mol}

X

3\,\text{mol}

Y

550\,\text{mm}\,\text{Hg}

. At the same temperature, if

1\,\text{mol}

Y

is further added to this solution, vapour pressure of the solution increases by

10\,\text{mm}\,\text{Hg}

. Vapour pressure (in

\,\text{mm}\,\text{Hg}

X

Y

in their pure states will be, respectively :

200 and 300
300 and 400
400 and 600
500 and 600

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