cejohnson1116
cejohnson1116 cejohnson1116
  • 14-05-2020
  • Chemistry
contestada

I’m really confused, if anyone can help then thank ya much

Im really confused if anyone can help then thank ya much class=

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DrMantisToboggan
DrMantisToboggan DrMantisToboggan
  • 14-05-2020

Answer:

E

Explanation:

So this question tests your understanding of mole:mole ratios.

So looking at the equation we see for every 3 O2 there's 4 NH3, we can even word it like for every 4 mol of NH3 that reacts you need 3 moles of O2. This gives us the mole:mole (mole to mole) ratio of 3 mol O2/ 4 mol NH3.

Now since you have 3.5 moles of NH3 you can use the ratio from above to convert it to O2 by simply 3.5molNH3 * 3mol O2/4mol NH3 ------> 2.625mol O2

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