1.

Correct expressions among the following are : (rho-density of solution, M molarity of solution, M_(2) Molar mass of solute, m-molarity, X_(2)-Mole fraction if solution )

Answer»

`m=(1000M)/(1000rho-MM_(2))`
`X_(2)=(mM_(1))/(1000+mM_(1))`
`X_(2)=(MM_(1))/(M(M_(1)-M_(2))+RHO)`
`m=(rho-MM_(2))/(M)`

Answer :A


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