Question

Solutions 109
14. The freezing point depression constant for water is
-1.86 Cm - 15.00 g Na SO, is dissolved in 45.0
g H.O. the freezing point is changed by -3.82°C.
Calculate the van't Hof factor for Na SO,
(AIPMT (Prelims)-2011]
(1) 0.381
(2) 205
(4) 3.11
(3) 2.63​

Answer 1

(2) 205

Explanation:

but the freezing point of water is 0 degree celsius

Answer 2

2 one 205 but the freezing point is 0degree