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Nitric acid can be produced from ammonia...

Nitric acid can be produced from ammonia in three step process.
`{:(,4NH_(3)(g)+5O_(2)(g)rarr4NO_(g)+6H_(2)O(g),...(1)),(,2NO(g)+O_(2)(g)rarr2NO_(2)(g),...(2)),(,3NO_(2)(g)+H_(2)O(l)rarr2HNO_(3)(aq.)+NO(g),...(3)):}`
Calculate weight of `NH_(3)(g)` required to produce `1260kg` of `HNO_(3)`. When `%` teild of `1^(st), 2^(nd)` and `3^(rd)` reaction are respectively `69%,60%` and `68%` respectively.

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Verified by Experts

The correct Answer is:
`1811.5kg`
`(1260xx1000)/(63) = (W_(NH_(3)))/(7) xx (4)/(4) xx (2)/(2) xx (2)/(3)`
`W_(NH_(3))=1811.5 kg`
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