A) 1.51
B) 1.35
C) 1.08
D) 1.48
Correct Answer: A
Solution :
20% w/w K.I. |
20 gm K.I. is 100 gm solution |
\[Molality=\frac{gm(solute)}{mw\times kg(sovlent)}\] |
\[=\frac{20\times 1000}{166\times 80}\] |
\[=1.506=1.51.\] |
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