The boiling point of water in a 0.1 molal silver nitrate solution (solution A) is x°C. To this solution A, an equal volume of 0.1 molal aqueous barium chloride solution is added to make a new solution B. The difference in the boiling points of water in the two solutions A and B is y x10 -2 °C.
(Assume: Densities of the solutions A and B are the same as that of water and the soluble salts dissociate completely.
Use: Molal elevation constant (Ebullioscopic Constant), K b = 0.5 K kg mol -1 ; Boiling point of pure water as 100°C.)
(i) The value of x is___.
Text Solution
Verified by ExpertsCHECK THE SOLUTION.
(100.10 °C)
0.1 molal AgNO 3 (aq) solution
AgNO 3 
Ag + (aq) + 
(aq)
i = 1 + (2-1)x1 = 2( 
= 1, given)
T b = i x k b x m
T b = 2 x 0.5 x 0.1 = 0.1
So, boiling point of solution 'A' is = 100.10°C = x
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