Waec Model Questions Vol1 2021 Chemistry Question 23
Practice objective / multiple choice question 23 from the 2021 Waec Model Questions Vol1 Chemistry examination.
A gaseous oxide of phosphorus is collected over water at 298 K and a total pressure of 760 mmHg. The volume of gas collected is 0.155 L and its mass is 0.500 g. The gas is found to contain 40.0 % phosphorus by mass. Determine the empirical and molecular formulas of the oxide.
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About This Question
This is Waec Model Questions Vol1 2021 Chemistry Question 23. It is one of the objective questions from the 2021 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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