Calculate molarity of KI if the density of 20% (mass/mass ) aqueous KI is $1.202gm{L}^{-1}$

Q. Calculate
(a) molality
(b) molarity and
(c) mole fraction of $KI$ if the density of $20\%$ (mass/ mass) aqueous $KI$ is $1.202gm{L}^{-1}$

Q. Calculate:

$A$: Molality of $KI$ if the density of $20\%\left(\text{mass/mass}\right)$ aqueous $KI$ is $1.202gm{L}^{-1}$.

$B$: Molarity of $KI$ if the density of $20\%\left(\text{mass/mass}\right)$ aqueous $KI$ is $1.202gm{L}^{-1}$.

$C$: Mole Fraction of $KI$ if the density of $20\%\left(\text{mass/mass}\right)$ aqueous $KI$ is $1.202gm{L}^{-1}$.

Q. What would be the molality of $20\%$ (mass/mass) aqueous solution of $KI$ ?
Molar mass of $KI$ is $166gmo{l}^{-1}$

Q. What would be the molality of $20\%$ (mass/mass) aqueous solution of $KI$ ?
Molar mass of $KI$ is $166gmo{l}^{-1}$

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Q. Calculate the mass of $K_{2}C{r}_2{O}_7$ required to produce $254g{I}_2$ from $KI$ solution.
$K_{2}C{r}_2{O}_7+KI\to C{r}^{3+}+I_2$

(Molar mass of $K_{2}C{r}_2{O}_7$ is $294gmo{l}^{-1}$)