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1.8 g of ionic solid (that has CsCl type structure and completely dissociated in water) is present in 1 L aqueous solution and osmotic pressure of this solution is 4.92 atm at 300 K . The density of ionic solid is 30 ~g / cm ^3 with edge length x ~nm . The value of 100 x is (R=0.082 Latm Mol ~K , ~N _ A =6 10²³ )

Correct answer

10

Step-by-step solution

aligned & = i C R T & T =300 ~K , R =0.082 & i =2 & C = 4.92 0.082 300 2 =0.1 & 0.1= Mol of salt Volume & Molar mass of salt =18 ~g & ~d = 1 18 6 10²³ a ^3 & a ^3= 18 6 10²³ 30 =10⁻²⁴ ~cm ^3 & a =10⁻⁸ ~cm & a =0.1 ~nm aligned

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