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Vapour pressure of water at certain temp...

Vapour pressure of water at certain temperature is 155 mm Hg and that of the another solvent 'X' is 'p' mm Hg. Molecular weight of 'X' is 128. An aqueous solution of 'X' (64% by wt) has a vapour pressure of 145 mm Hg. What is 'p' ?

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AAKASH SERIES-DILUTE SOLUTIONS-EXERCISE - 1.2
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  2. What is the vapour pressure of one molal glucose solution at 100^(@)C ...

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