A container with a volume of \( 3.0 \mathrm{~L} \) holds \( \mathrm{N}_{2}(\mathrm{~g}) \) and \... VIDEO
A container with a volume of \( 3.0 \mathrm{~L} \) holds \( \mathrm{N}_{2}(\mathrm{~g}) \) and \( \mathrm{H}_{2} \mathrm{O}(\mathrm{l}) \) at \( 29^{\circ} \mathrm{C} \). The pressure is found to be 1 atm. The water is then split into hydrogen and oxygen by electrolysis, according to the reaction, \( \mathrm{H}_{2} \mathrm{O}(\mathrm{l}) \rightleftharpoons \mathrm{H}_{2}(\mathrm{~g})+1 / 2 \mathrm{O}_{2}(\mathrm{~g}) \). After theP reaction is complete, the pressure is \( 1.86 \mathrm{~atm} \). What mass of water was present in the container? The aqueous tension of water at \( 29^{\circ} \mathrm{C} \) is \( 0.04 \mathrm{~atm} \).
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