zaidalilr8An3ib zaidalilr8An3ib

30-05-2016
Chemistry

Answered

Given the balanced equation representing a reaction:

4NH3 + 5O2 ==>4NO + 6H2O

What is the minimum number of moles of O2 that are needed to completely react with 16 moles of NH3?

(1) 16 mol (3) 64 mol

(2) 20. mol (4) 80. mol

Verified Answer :

Willchemistry Willchemistry

31-05-2016

4 NH₃ + 5 O₂ = 4 NO + 6 H₂O

4 moles NH₃ --------- 5 moles O₂
16 moles NH₃ -------- ? moles O₂

moles O₂ = 16 * 5 / 4

moles O₂ = 80 / 4

= 20 moles of O₂

Answer (2)

hope this helps!

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