IB Chemistry Quiz
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SKILLS IN THE STUDY OF CHEMISTRY
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For the reaction A(g) → 2B(g), the concentration of reactant A was measured at various times. At t = 20 s, [A] = 0.64 mol dm⁻³. At t = 50 s, [A] = 0.28 mol dm⁻³. What is the average rate of formation of product B over this time interval, in mol dm⁻³ s⁻¹?
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