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A chemical reaction 2A-4B + C in gas phase occurs in a closed vessel. The concentration of B is found to increase by 510-

A chemical reaction 2A-4B + C in gas phase occurs in a closed vessel. The concentration of B is found to increase by 510- mol L-1 in 10 seconds, Calculate (a) the rate of appearance of B (b) the rate of disappearance of A.

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