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Kf for water is 1.86K kg mol–1. If your automobile radiator holds 1.0 kg of water, how many grams of ethylene glycol (C2H6O2) must you add to get the freezing point of the solution lowered to –2.8°C ?

Kf for water is 1.86K kg mol–1. If your automobile radiator holds 1.0 kg of water, how many grams of ethylene glycol (C2H6O2) must you add to get the freezing point of the solution lowered to –2.8°C ?

Grade:12

2 Answers

Avinash
askIITians Faculty 1246 Points
7 years ago
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Kushagra Madhukar
askIITians Faculty 629 Points
2 years ago
Dear student,
 
You will need to add 93 g of ethylene glycol to 1 kg water to lower its freezing point to – 2.8 oC
Refer to the above answer for complete solution.
 
Thanks and regards,
Kushagra

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