The den city of 2m solution of Nacl is 1.13 gr mol/liter calculate molarity of the solution (2m=2mol per liter in chemistry class 11
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Mass of Nacl in 1 litre solution = 2 x 58.5
= 117.0 g
Mass of 1 litre solution = 1000 x 1.13 = 1130 g
Mass of water in solution = 1130 g – 117.0 g = 1013 g
Molality =
No of moles of solute
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Mass of solvent in Kg
= 2 mol / 1.013 Kg = 1.9743 Molality
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