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 a objective / multiple choice question from the 2021 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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