A solution of 4.5 g of a pure non-electrolyte in 100 g of water was found to freeze at $0.465℃$ . The molecular weight of the solute closest to ($k_{f} = 1.86$)

Question

Dr. Abubacker · Accepted Answer

(d)
M$= \frac{1000 	imes k_{f} 	imes w}{\mathrm{\Delta}T_{f} 	imes W}$
$= \frac{1000 	imes 1.86 	imes 4.5}{0.465 	imes 100}\ \$
$\ \ \ \ \  = 180\ g$

Q. A solution of 4.5 g of a pure non-electrolyte in 100 g of water was found to freeze at $0.465℃$ . The molecular weight of the solute closest to ($k_{f} = 1.86$)

Explanation

Reviewed by Dr. Abubacker

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