Răspuns:
For obtaining the sulphur trioxide (SO3), you must insert in the reactor a gas mixture that contains 75% of SO2 and 25% of O2 (volumetric percentage). This mixture must be heated to a high temperature equal with 1000 k. After establishing the balance, we ascertain (realize) that the sulphur dioxide has transformed in proportion of 20%. Now you must determin the mixture's mix on equilibrium, given as a molar percentage
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