Question

N2+3H2=2NH3. Based on this reaction how may moles of nitrogen are required to combine 2 moles of hydrogen​

Answer 1

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Take a look at the balanced chemical equation for this synthesis reaction,

N2+3H2=2NH3.

Notice that you have a 1:3 mole ratio between nitrogen gas and hydrogen gas. This means that, regardless of how many moles of nitrogen gas you have, the reaction will always consume twice as many moles of hydrogen gas.

So, if you have 2 moles of hydrogen taking part in the reaction, you will need 1 mole of N2

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Hope this helps you Akaba Aiga! I am Shu.. nice to meet you...