Amount of substance

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Question 20
Easy

A sample of 180 cm3 of nitrogen gas and 120 cm3 of helium gas, each at 310 K and 105 kPa, are transferred into a sealed, evacuated vessel of volume 0.75 dm3. What is the pressure of the gas mixture in the vessel at 310 K?

25.2 kPa25.2\text{ kPa}25.2 kPa

42.0 kPa42.0\text{ kPa}42.0 kPa

263 kPa263\text{ kPa}263 kPa

420 kPa420\text{ kPa}420 kPa

Amount of substance Questions

  1. A Level
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