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1.761 moles NO will be made from 30g of NH3.

Finding the moles of a Substance using Stoichiometry

The balanced reaction is:

4 NH₃(g) + 5 O₂(g) → 4 NO (g) + 6 H₂O

By stoichiometry of the reaction, we have

  • 4 moles of NH₃
  • 5 moles of O₂
  • 4 moles of NO
  • 6 moles  H₂O

Recall that

Number of moles = Mass/ Molar Mass

We first Find the number of moles in 30g of NH3 ,

Number of moles=30/17.031 g/mol=1.761moles

Now we can say  if by stoichiometry

IF 4 moles of NH3 produces 4 moles of NO,

then  1.761 moles of aNH3  will produce = ( 1.761 moles NH3 x 4 moles of NO)/ 4 moles of NH3

= 1.761 moles NO

Therefore, 1.761 moles NO will be made from 30g of NH3.

Learn more about stoichiometry calculations here : https://brainly.com/question/6865807

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