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52. An aqueou...

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52. An aqueous solution containing 288gm of a non-volatile compound having the stoichiometric composition C_nH_{2n}O_n in 90gm of water boils at 101.26degree celcius at 1atm pressure.what is molecular formula of the compound.

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Q. An aqueous solution containing 288 gm of a non- volatile compound having the stoichiometric composition

C_{x} H_{2 x} O_{x}

in 90 gm water boils at

{101.24}^{\circ}

C. at 1.00 atmospheric pressure. If the molecular formula is

C_{x} H_{y} O_{z}

K_{b} (H_{2} O) = 0.512 K m o l^{- 1} k g

T_{b} (H_{2} O) = 100^{\circ} C

. Find the value of

x + y + z

?

Q. An aqueous solution containing

288 g

of a non-volatile compound having the stoichimetric composition

C_{x} H_{2 x} O_{x}

90 g

{101.24}^{\circ} C

at one atmospheric pressure. What is the molecular formula of the compound?

K_{b} (H_{2} O) = 0.512 K m o l^{- 1} k g, T_{b} (H_{2} O) = 100^{\circ} C

Q. A certain non-volatile electrolyte contains 40% carbon , 6.7% hydrogen and 53.3% oxygen . An aqueous solution containing 5% by mass of the solute boils at 100.

15^{\circ} C .

Determine the molecular formula of the compound

(K_{b} = {0.5}^{\circ} C / m) :

Q. An aqueous solution containing a non-volatile solute boils at

101^{\circ} C .

What is the freezing point of the same solution?
Given

(K_{f} = {1.86}^{\circ} C / m

K_{b} = {0.51}^{\circ} C / m)

Q. An aqueous solution of

2

% non-volatile solute exerts a pressure of

1.004

bar at the normal boiling point of the solvent. What is the molecular mass of the solute?

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