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Phase Change

6.106.2g 1 mo...

Question

6.106.2g 1 molal aqueous solution of ethylene glycol is cooled to -3.72 C. Mass of ice seperated during cooling is (Kf water=1.86, freezing point of water = 0 C) a)25 g b)50g c)60g d)40g

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Similar questions

- {9.3}^{o} C

[K_{f}

H_{2} O = 1.86

^{- 1}]

50

200

- {9.3}^{o} C

K_{f}

1.86

^{- 1}

H_{2} O

- {3.72}^{o} C

(K_{f} H_{2} O = 1.86 K m o l a l i t y^{- 1})

The amount of ice that will separate out on cooling a solution containing 50 gram of Ethylene glycol in 200 gram water to -9.3⁰C

(K_f=1.86K/molal)

50 g

200 g

0^{\circ} C

- {9.3}^{\circ} C

K_{f}

m o l^{- 1}

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