Module 6 Unit 1 Assignment A.doc - MODULE 6 UNIT 1...

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MODULE 6 UNIT 1 Assignment Part A Gaseous oxygen has collected at the water surface at 35 °C and 98.5 kPa. 1. Calculate the pressure exerted by the oxygen only. 3 marks
2. What’s the volume of pure hydrogen present in a sample of 55.0 mL of gas saturated with water vapour at 27 °C, if the total pressure is 104.8 kPa? 4 marks
3. Calculate the number of moles of gaseous nitrogen contained in a sample of 227 mL of gas saturated with water vapour at 20 °C and 90.0 kPa. Hint: Find the volume of pure hydrogen then convert this volume to NTP

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