At \[20{}^\circ C\] and 1.00 atm partial pressure of hydrogen, 18 mL of hydrogen, measured at STP, dissolves in 1L of water. If water at \[20{}^\circ C\]is exposed to a gaseous mixture having a total pressure of 1400 Torr (excluding the vapour pressure of water) and containing 68.5% \[{{H}_{2}}\] by volume, find the volume of \[{{H}_{2}},\] measured at STP, which will dissolve in 1L of water.

At \[20{}^\circ C\] and 1.00 atm partial pressure of hydrogen, 18 mL o

1.	At \[20{}^\circ C\] and 1.00 atm partial pressure of hydrogen, 18 mL of hydrogen, measured at STP, dissolves in 1L of water. If water at \[20{}^\circ C\]is exposed to a gaseous mixture having a total pressure of 1400 Torr (excluding the vapour pressure of water) and containing 68.5% \[{{H}_{2}}\] by volume, find the volume of \[{{H}_{2}},\] measured at STP, which will dissolve in 1L of water.
A.	18 mL
B.	12 mL
C.	23 mL
D.	121 mL
Answer» D. 121 mL

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