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Factors Affecting Hydrogen Bonding

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ntWhat is the molality of c2h5oh in water solution which will freeze at -10 degree celcius ?molecular weight of c2h5oh =46,kf of water=1.86n

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Similar questions

Q. What is the molality of

C_{2} H_{5} O H

in water solution which will freeze at

- 10^{o} C

C_{2} H_{5} O H = 46, K_{f}

= 1.86 K k g m o l^{- 1}

]

Q. What should be the freezing point of aqueous solution containing

17

C_{2} H_{5} O H

1000

(K_{f}

= {1.86}^{o}

^{- 1}) ?

Q. Calculate the molality of a solution of Ethanol

(C_{2} H_{5} O H)

in water in which the mole fraction of ethanol is 0.040.

Q. STATEMENT-1: The boiling point of

C_{2} H_{5} O H

is less than that of

H_{2} O

though the molecular weight of

C_{2} H_{5} O H

is more than that of water.
STATEMENT-2:

C_{2} H_{5} O H

molecules are not highly associated through hydrogen bonding as in water.

Q. In 0.2 molal aqueous solution of a weak acid

H X

, the degree of ionization is 0.3. Taking

K_{f}

for water as 1.85, the freezing point of the solution will be nearest to :

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