To an equilibrium mixture of\[2S{{O}_{2}}(g)+{{O}_{2}}(g)\rightleftarrows 2S{{O}_{2}}(g)\] some helium, an inert gas, is added at constant volume. The addition of helium causes the total pressure to double. Which of the following is true?

The concentration of sulphur trioxide increases

The concentration of the three gases is unchanged

The number of moles of sulphur trioxide increases

The concentration of sulphur dioxide increases

To an equilibrium mixture of\[2S{{O}_{2}}(g)+{{O}_{2}}(g)\rightleftarr

1.	To an equilibrium mixture of\[2S{{O}_{2}}(g)+{{O}_{2}}(g)\rightleftarrows 2S{{O}_{2}}(g)\] some helium, an inert gas, is added at constant volume. The addition of helium causes the total pressure to double. Which of the following is true?
A.	The concentration of the three gases is unchanged
B.	The concentration of sulphur trioxide increases
C.	The number of moles of sulphur trioxide increases
D.	The concentration of sulphur dioxide increases
Answer» B. The concentration of sulphur trioxide increases

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To an equilibrium mixture of\[2S{{O}_{2}}(g)+{{O}_{2}}(g)\rightleftarrows 2S{{O}_{2}}(g)\] some helium, an inert gas, is added at constant volume. The addition of helium causes the total pressure to double. Which of the following is true?

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