18 g of glucose (C6H12O6) is added to 178.2 g of water. The vapour pressure of water for this aqueous solution at 100oC is:

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752.40 torr

758.00 torr

7.60 torr

76.00 torr

answer is A.

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Detailed Solution

Po-PSPS=wg×Mwatermg×WwaterAt boiling point Po=760 mm760-PSPS=18×18180×178.2pS=752.40 torr

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