Under what pressure is chloroform at a mercury reading of #940*"Torr"#?
This is a very poor question, and has been asked by someone who has never used a mercury manometer.
It is a fact that
For low pressures, a measurement in
If you convert the mercury measurement to atmospheres, i.e
So, as you probably have already realized, the question is a real dog's breakfast. Students can offer bad answers, and examiners can equally propose bad questions, and whoever set this deserves a kick up the backside. I presume this is a first year undergraduate/2nd year phys chem problem?