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JEE CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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Active mass of 0.64 g SO20.64 \mathrm{~g}\, {SO}_2 in 10 lit vessel is
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Correct option: B
10−3 M10^{-3}\, \mathrm{M}
Option B (10−310^{-3} M) is correct because the active mass is calculated by dividing the number of moles by the volume in liters.

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