A Level Chemistry 9701/13/O/N/19 Q11


The reaction between sulfur dioxide and oxygen is reversible.

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In an equilibrium mixture at 1000K the sulfur dioxide concentration is 0.200 moldm–3 and the oxygen concentration is 0.100 mol dm–3.
What is the sulfur trioxide concentration?
A 1.058 mol dm–3
B 1.120 mol dm–3
C 2.366 mol dm–3
D 5.600 mol dm–3

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