Igcse Model Questions Vol1 2025 Chemistry Question 4
Practice practical question 4 from the 2025 Igcse Model Questions Vol1 Chemistry examination. This question covers Mole Concept .
A volatile liquid of unknown identity was vaporised in a sealed eudiometer and the displaced gas was collected over water at 298 K. The data recorded are shown below. Data: - Mass of liquid weighed before vaporisation: 1.250 g - Atmospheric pressure: 760 mm Hg - Water vapour pressure at 298 K: 23.8 mm Hg - Temperature of the collected gas: 298 K - Volume of dry gas (corrected for water vapour): 0.400 L - Theoretical molar mass of the liquid (given): 78.1 g mol⁻¹ Using the information above, answer the following questions.
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This is Igcse Model Questions Vol1 2025 Chemistry Question 4. It is one of the practical questions from the 2025 Igcse Model Questions Vol1 Chemistry examination.
The question covers Mole Concept .
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