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2.517 g of Naphthalene is dissolved in 150 g , the solution boils at 319.70 K. The boiling point of…
2.517 g of Naphthalene is dissolved in 150 g $\text{CS}_2$, the solution boils at 319.70 K. The boiling point of $\text{CS}_2$ is 319.4 K. Calculate the molecular mass of naphthalene. $K_b$ for $\text{CS}_2$ is $2.34\text{ K kg mol}^{-1}$.
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From ISC 2025 Practice Chemistry, question 61.