1.

The concentration in gms per litre of a solution of cane sugar ( M =342) which is isotonic wih a solution containing 6 gms of urea ( M = 60 ) per litreis

Answer»

3.42
34.2
5.7
19

Solution :ISOTONIC solution has same MOLARITY ( Concentration ) .
`m_(2) = m_(1)`
`(g_(2))/( M_(2)) =(g_(1))/( M_(1))`
`( X )/( 342) =( 6)/( 60)`


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