1.

Solution A contains 7g/L of MgCl_(2) and solution B contains 7 g/L of NaCl. At room temperature, the osmotic pressure of :

Answer»

SOLUTION A is greater than B
Both have same osmotic pressure
Solution B is greater than A
Can't determine

Solution :Concentration of NaCl solution `=(7)/(58.5)=0.119 M`
Concentration of `MgCl_(2)` solution `=(7)/(95)=0.074 M`
HENCE, particles (IONS) in NaCl solution
`(B) = 2xx0.119 = 0.238 M`
Hence, particles (ions) in `MgCl_(2)` solution
`(A)=3xx0.074 = 0.222 M`
As the particles in solution B (NaCl) is more than in solution A, the osmotic pressure of solution B will be greater than that of solution A.


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