Question: 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)

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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