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Hydration Enthalpy and Lattice Enthalpy (Group 2)

6. Calculate ...

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6. Calculate the mole fraction of ethylene glycol in a solution containing 20percent of glycol by mass

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Calculate the mole fraction of ethylene glycol in a solution containing 20% of ethylene glycol by mass.

Calculate the mole fraction of ethylene glycol. In the solution containing 20% by mass.

Q. The freezing point of a solution containing 28.335

c m^{3}

of ethylene glycol in 50 g water is found to be

- 34^{\circ}

C. Assuming ideal behaviour, calculate the density of ethylene glycol.

K_{f}

for water 1.86 K kg

m o l^{- 1}

Q. The freezing point of a solution containing 50 cm3 of ethylene glycol in 50 g of water is found to be

- 34^{\circ} C

. Assuming ideal behavior, calculate the density of ethylene glycol

(K_{f} f o r w a t e r = 1.86 K k g m o l^{-} 1)

.

Q. The freezing point of a solution containing

50 {cm}^{3}

of ethylene glycol in

50 g

of water is found to be -34°C. Assuming ideal behaviour, calculate the density of ethylene glycol in

{g/cm}^{3}

(K_{f} for water = 1.86 {K Kg mol}^{- 1})

.

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