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Verified Answer :

Pressure = Force / Area

Force = mass of the column g

mass of the column = Volume
density

Volume = Area Height

=> Pressure = Volume
density/ Area = AreaHeightdensityg /Area = Heightdensityg


=> Height of mercury
density of mercury g = height of water densidty of water g

=> height of mercury
density of mercury = height of water   density of water =>

height of water = height of mercury
density of mercury / density of water

height of water = 727 mmHg * 13.5 g/mL / 1.00 g/mL = 9,814.5 mmH20 =

= 981. 45 cm H2O.

Answer: 981 cm H2O