Igcse Model Questions Vol1 2024 Chemistry Question 13
Practice objective / multiple choice question 13 from the 2024 Igcse Model Questions Vol1 Chemistry examination.
A \(2.00\) L sealed container at \(298\) K initially contains oxygen gas at a pressure of \(1.00\) atm. A sample of white phosphorus (P\(_4\)) is then introduced and allowed to react completely with the oxygen according to the equation \(\mathrm{P_4 + 5\,O_2 \rightarrow P_4O_{10}}\). After the reaction the total pressure in the container is measured to be \(0.65\) atm (temperature unchanged). Assuming no side reactions and that the volume of the container remains constant, calculate the mass of phosphorus that was originally placed in the container. Give your answer to three significant figures.
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About This Question
This is Igcse Model Questions Vol1 2024 Chemistry Question 13. It is one of the objective questions from the 2024 Igcse Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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