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How many grams of each of the following per 1000g of water in your car radiator...

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Chemistry

How many grams of each of the following per 1000g of water inyour car radiator are needed to give equal protection againstfreezing down to -10.0°C? (a) Methyl alcohol (CH3OH) b.pis 65°C, (b) ethyl alcohol (C2H5OH) b.p is 78°C,(c) ethylene glycol (C2H4(OH)2) b.p is 197°C. In spite ofhigher cost, what advantages does ethylene glycol have over theother alcohols as an all-winter antifreeze?

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3.7 Ratings (551 Votes)
Expression for depression in freezing point can be given as follows Tf Kf b i Where Tf depression in freezing point 10C 10K Kf cryoscopic constant for water 1853 K kgmol b molality i vant Hoff factor 1 for molecules that do not dissociate Thus 10K 1853 K kgmol x b x 1 b 10 1853 b 540 molkg of    See Answer
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