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Numerical

Asked by 21st February 2009, 11:57 AM
Answered by Expert
Answer:

NaCl Na + Cl

i= No of particles in the solution / no of particles taken

I  = 1 + 1 / 1

=2

m= w/ 58.5

ΔTf  = i Kf m

  2 =  2 x  1.86 x w / 58.5

w = 2 x 58.5 / 2 x 1.86

w= 31.45 g

Answered by Expert 27th February 2009, 9:41 AM
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