2 answers
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3/4=6/x
E.
Given the reaction 4NH3+ 5O2 --> 4NO + 6H2O
A) 2.00 mol
B) 3.00 mol
C) 4.50 mol
D) 6.00 mol
E) None of these
E.
Looking at the balanced equation, we can see that the ratio of NH3 to H2O is 4:6. This means that for every 4 moles of NH3, we would expect to produce 6 moles of H2O.
Since we have 3.00 moles of NH3, we can set up a proportion to find the amount of water formed:
(3.00 mol NH3) / (4 mol NH3) = (x mol H2O) / (6 mol H2O)
Simplifying the equation:
3.00 / 4 = x / 6
Cross-multiplying:
3.00 * 6 = 4 * x
18.00 = 4x
Dividing both sides by 4:
18.00 / 4 = x
4.50 = x
Therefore, the amount of water formed when 3.00 mol of NH3 reacts is 4.50 mol.
The correct answer is C) 4.50 mol.