一道英文版的化学题 some gas is collected over water at 20.0℃.the level of water inside and outside the gas-collection bottle are the same .the partral pressure of hydrogen is 742.5 torrwhat is the barometric pressure at the time the gas is

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一道英文版的化学题 some gas is collected over water at 20.0℃.the level of water inside and outside the gas-collection bottle are the same .the partral pressure of hydrogen is 742.5 torrwhat is the barometric pressure at the time the gas is
一道英文版的化学题
some gas is collected over water at 20.0℃.the level of water inside and outside the gas-collection bottle are the same .the partral pressure of hydrogen is 742.5 torr
what is the barometric pressure at the time the gas is collceted?
答案是760.0 torr
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一道英文版的化学题 some gas is collected over water at 20.0℃.the level of water inside and outside the gas-collection bottle are the same .the partral pressure of hydrogen is 742.5 torrwhat is the barometric pressure at the time the gas is
the water vapor is saturated in the gas-collection bottle.at 20.0℃,the saturated vapor pressure of water is 2309 Pa,that is 17.5 torr.thus,the barometric pressure,equal to the total pressure in the bottle,is (742.5+17.5=)760.0 torr.

水汽饱和，在气体收集瓶。在20.0 ℃时，饱和蒸气压的水是2309坝，即17.5 torr 。因此，气压，总额相等的压力，在瓶子里，是（ 742.5 17.5 = ） 760.0 torr

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