A Level Chemistry 9701/12/O/N/20 Q10


Sulfur dioxide and oxygen react to form sulfur trioxide. The reaction is reversible.

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The reaction is allowed to reach equilibrium at 700 °C. The partial pressure of O2(g) is 375kPa and the partial pressure of SO3(g) is 20.3 kPa.

What is the partial pressure of SO2(g)?
A 19.3 kPa    B 609 kPa    C 18 300kPa    D 609 000kPa

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