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Solutions question

2022 · 29 Jul · Shift 2 · Q17
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Solutions question

2022 · 29 Jul · Shift 2 · Q17

JEE MainChemistrySolutionsNumerical+4 / −1
1.80 g1.80 \mathrm{~g}1.80 g of solute A was dissolved in 62.5 cm362.5 \mathrm{~cm}^{3}62.5 cm3 of ethanol and freezing point of the solution was found to be 155.1 K155.1 \mathrm{~K}155.1 K. The molar mass of solute A is ‾\underline{\hspace{2cm}}​ g mol−1\mathrm{mol}^{-1}mol−1. [Given : Freezing point of ethanol is 156.0 K. Density of ethanol is 0.80 g cm −-− 3. Freezing point depression constant of ethanol is 2.00 K kg mol −-− 1]
Numerical answer
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