Nitric acid is produced commercially by the Ostwald process The
Nitric acid is produced commercially by the Ostwald process. The three steps of the Ostwald process are shown in the following equations:
4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g)
2NO(g) + O2(g) → 2NO2(g)
3NO2(g) + H2O(l) → 2HNO3(aq) + NO(g)
What mass of NH3 must be used to produce 1.0 × 106 kg of HNO3 by the Ostwald process, assuming 100% yield in each reaction and assuming the NO produced in the third stage is not recycled?
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