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5.20 mol of solid A was placed in a sealed 1.00-L container and allowed to decompose into gaseous B and C. The concentration of B steadily increased until it reached 1.40 M, where it remained constant Then, the container volume was doubled and equilibrium was re-established. How many moles of A remain? Number mol A

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52 mel onlaine wilbrimm 1 5 2mel 5.2- 1n 2lii on taine In voume o = 4x1.11 males 아 retained

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