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200618. A gaseous hypothetical chemical equation244B + C is carried out in a closed vessel. Theconcentration of B is found to increase by 5x 10-3 mol Lin 10 s. The rate of appearance of B is(a) 5x 104 mol L s(b) 5x 10 mol L-1 s-1(c) 6x 10-5 mol L- s(d) 4 x 10 4 mol L' s1[BHUI

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