Question
Sat February 21, 2009 By:

Numerical

Expert Reply
Fri February 27, 2009

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

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