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Question

What mass of ethylene glycol (M.W. = 62.1 g/mol) antifreeze must be added to 10.0 mL of water to produce a solution that freezes at -186 °C. Density of water is 1g / mL and Kf = l.86 °C/m.


A

162.1 g

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B

21.6 g

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C

16.2 g

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D

62.1 g

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