Chemistry · 2023
JEE Main · 6 April 2023, Shift 1 · Q85
Mass of Urea ( NH_2 CONH_2 ) required to be dissolved in 1000 g of water in order to reduce the vapour pressure of water by 25 % is ____ g. (Nearest…
Mass of Urea ( $\displaystyle \mathrm{NH}_2 \mathrm{CONH}_2$ ) required to be dissolved in $\displaystyle 1000$ g of water in order to reduce the vapour pressure of water by $\displaystyle 25 \%$ is $\displaystyle \_\_\_\_$ g. (Nearest integer)
Given: Molar mass of $\displaystyle \mathrm{N}, \mathrm{C}, \mathrm{O}$ and H are $\displaystyle 14,12,16$ and $\displaystyle 1 \mathrm{~g} \mathrm{~mol}^{-1}$ respectively.
Official answer
From NTA’s final answer key for this paper.
1111
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JEE Main 2023 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.