CH-450
Collecting gases
Chemistry · Secondary 3 · Medium · Collecting gases
A sample of gas is collected over water at 25 °C. The total pressure is 102 kPa and the vapour pressure of water at 25 °C is 3 kPa. What is the pressure of the dry gas?
- 99 kPa
- 105 kPa
- 3 kPa
- 102 kPa
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