The concentration in g/L of a solution of can | vedclass

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(B) Two solutions are isotonic if they have the same molar concentration $(C_1 = C_2)$.For urea solution: $C_{	ext{urea}} = \frac{	ext{mass}}{	ext{

Vedclass · Accepted Answer

$34.2$

Vedclass · Answer

(B) Two solutions are isotonic if they have the same molar concentration $(C_1 = C_2)$.For urea solution: $C_{	ext{urea}} = \frac{	ext{mass}}{	ext{molar mass} 	imes 	ext{volume}} = \frac{6 \ g}{60 \ g/mol 	imes 1 \ L} = 0.1 \ mol/L$.Since the solutions are isotonic,the concentration of cane sugar must also be $0.1 \ mol/L$.Concentration of sugar in $g/L = 	ext{Molarity} 	imes 	ext{Molar mass} = 0.1 \ mol/L 	imes 342 \ g/mol = 34.2 \ g/L$.

The concentration in $g/L$ of a solution of cane sugar $(M = 342)$ which is isotonic with a solution containing $6 \ g$ of urea $(M = 60)$ per litre is :-

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