At 298 K the decomposition of hydrogen iodide follows the balanced equation

CHEMISTRY · Subjective · A Level · Chemistry · Amount of substance · Amount of substance

Problem

At 298 K the decomposition of hydrogen iodide follows the balanced equation 2 HI(g)→H2(g)+I2(g)2\,\text{HI}(g) \rightarrow \text{H}_2(g) + \text{I}_2(g). The concentration of HI in a sealed vessel decreases from 0.500 M to 0.460 M during the first 60.0 s of reaction. HI was the only species present initially. Calculate the concentration of I2\text{I}_2 in the vessel at t=60.0 st = 60.0\,\text{s}.

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