For the Following Reaction.... | JEE Advanced 2021 | Organic

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For the following reaction scheme, percentage yields are given along the arrow:

$x g$ and $y g$ are mass of $R$ and $U$, respectively. (Use: Molar mass (in g mol-1) of $\mathrm{H}, \mathrm{C}$ and O as 1, 12 and 16, respectively)T he value of y is ___.

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