Answered

given the reaction 4NH3 +5O2 4NO+6H2O, what is the total number of moles of O2 required to produce 40 mol of NO?

(1) 5 mol

(2) 9 mol

(3) 32 mol

(4) 50 mol

Verified Answer :

sdmatera

The answer is choice 4 (50 moles). Let me know if you need an explanation

Answer : The correct option is, (4) 50 mole

Solution : Given,

Moles of NO = 40 mole

The given balanced chemical reaction is,

\(4NH_3+5O_2\rightarrow 4NO+6H_2O\)

As, 4 moles of NO produces from 5 moles of \(O_2\)

So, 40 moles of NO produces from \(\frac{5}{4}\times 40=50moles\) of \(O_2\)

Therefore, the total number of moles of \(O_2\) is, 50 moles

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