Neco Model Questions Vol1 2017 Chemistry Question 21
Practice objective / multiple choice question 21 from the 2017 Neco Model Questions Vol1 Chemistry examination.
Hydrogen gas is passed over excess chlorine gas at 350 K and a total pressure of 1.20 atm. The resulting hydrogen chloride gas is collected over water and its volume measured as 2.50 L at the same temperature and pressure. The vapor pressure of water at 350 K is 0.55 atm. After the reaction, the remaining chlorine gas is contained in a 5.00 L vessel that was initially at 298 K and 1.00 atm. The pressure of the remaining chlorine gas in the vessel (still at 298 K) is found to be 0.86 atm. Calculate the initial mass of chlorine gas present in the vessel.
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About This Question
This is Neco Model Questions Vol1 2017 Chemistry Question 21. It is one of the objective questions from the 2017 Neco Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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