KBr is 80 % dissociated in solution. The freezing point of a 0.5 molal – InterviewSolution

1.	KBr is 80 % dissociated in solution. The freezing point of a 0.5 molal solution is (K_(f) "water" = 1.86^(@)C/m)
Answer» 273 K 277 K 271.326 K 269 K Solution :For KBR,`i = 1 + alpha = 1 + 0.80 = 1.80` `Delta T_(F) = i K_(f) m = 1.80 XX 1.86 xx 0.5 = 1.674^(@)` `T_(f) = 273 - 1.674 = 271.326 K.`

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