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What mass of ethanol, C2H5OH a nonelectrolyte, must be added to 10.0 L of water to...

What mass of ethanol, C2H5OH a nonelectrolyte, must be added to 10.0 L of water to give a solution that freezes at -10.0°C? Assume the density of water is 1.0 g/mL. Kf of water is 1.86°C/m.

2.48 kg

85.7 kg

1.17 kg

24.8 kg

5.38 kg
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