Chemistry · 2019
JEE Main · 9 April 2019, Shift 2 · Q51
What would be the molality of 20% (mass/mass) aqueous solution of KI? (molar mass of KI =166 g mol^-1 )
What would be the molality of $\displaystyle 20$% (mass/mass) aqueous solution of KI ?
(molar mass of $\displaystyle \mathrm{KI}=166 \mathrm{~g} \mathrm{~mol}^{-1}$ )
Official answer
(1)
$\displaystyle 1.51$
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JEE Main 2019 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.