Under Appropriate Conditions,nitrogen and Hydrogen Undergo a Combination Reaction to Yield

question 155

Multiple Choice

Under appropriate conditions,nitrogen and hydrogen undergo a combination reaction to yield ammonia: N₂ (g) + 3H₂ (g) → 2NH₃ (g)
If the reaction yield is 81.4 %,how many moles of N₂ are needed to produce 8.50 mol of NH₃?

• A)20.9
• B)10.4
• C)5.22
• D)6.92
• E)15.7

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