Aldehydes Ketones And Carboxylic Acids

Compound $(\mathrm{X})$ is subjected to the sequence of reactions as shown above. Molar mass of the major product $(\mathrm{Y})$ formed is $\_\_\_\_$ $\mathrm{g} \mathrm{mol}^{-1}$.

(Given molar mass in $\mathrm{g} \mathrm{mol}^{-1} \mathrm{C}: 12, \mathrm{H}: 1, \mathrm{O}: 16$ )