Answer:

0.1 mole of H2 and 0.2 mole of I2 are made to react in order to attain equilibrium H2 + I2 2HI . At equilirbrium 20

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Explanation:

H2+I2⇌2HI

0.1   0.2

at equilibrium 20% H2 is converted into HI. therefore, the amount of HI is =2×0.1×10020=0.04mol