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Q1 (a) The vapor pressure of water at 80° C is 355 Torr. Calculate the...

Q1 (a) The vapor pressure of water at 80° C is 355 Torr. Calculate the vapor pressure of an aqueous solution made by dissolving 50 grams of ethylene glycol (C2H602) in 50 grams of water. What is the vapor pressure lowering of water in this solution?

(b) When 10g of a solute was dissolved in 100g of benzene, the boiling point of the resulting solution was found to rise from 80.10°C to 80.90°C. What is the relative molecular mass of the solute? Take ebullioscopic constant as 1.64.?

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WAEC GCE Nov/Dec 2023 - Practice for Objective & Theory - From 1988 till date, download app now - 4395
NECO GCE Nov/Dec 2023 - Get all past questions & answers - Download objective & theory, all in one app
WAEC & NECO SSCE, get offline past questions and answers from 1988 till date, download app now

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NECO GCE Nov/Dec 2023 - Get all past questions & answers - Download objective & theory, all in one app
WAEC GCE Nov/Dec 2023 - Practice for Objective & Theory - From 1988 till date, download app now - 4395
WAEC & NECO SSCE, get offline past questions and answers from 1988 till date, download app now