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K(f) for water is 1.86 K kg mol^(-1). If...

`K_(f)` for water is `1.86 K kg mol^(-1)`. If your automobile radiator holds `1.0 kg` of water, how many grams of ethylene glycol `(C_(2)H_(6)O_(2))` must you add to get the freezing point of the solution lowered to `-2.8^(@)C` ?

A

72 g

B

93 g

C

39 g

D

27 g

Text Solution

Verified by Experts

`DeltaT_(f)=K_(f).m`
`2.8=1.86xx(wt)/62xx1000/1000`
wt=93g`
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