The mixture after the reactants have reacted
<em>1 mol NO, 0 mol H₂, 4 mol NH₃, 4 mol H₂O
</em>
<h3>Further explanation
</h3>
The reaction equation is the chemical formula of reactants and products
A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reactants and products
Reaction
2NO (g) + 5 H₂ (g) → 2 NH₃ (g) + 2H₂O (g)
There are initially 5 moles of NO and 10 moles of H₂
The method that can be used to find limiting reactants is to divide the number of moles of known substances by their respective coefficients, and the small quotient will be used up or as a limiting reactants
If we look at the ratio of moles to their coefficients, H₂ is smaller than NO, so H₂ becomes the limiting reactants
Because H₂ becomes the limiting reactants, then the mole will react all, so that the rest of the reaction when equilibrium = 0
From the available answer choices, only choices a and c show the mole of H₂ = 0
From these choices (a and c), choice c shows that mole NO is also 0. This is not possible because there are residual reactions from mole NO because the ratio of reaction coefficient and mole ratio is not the same between H₂ and NO
So the right choice is
<em>a) 1 mol NO, 0 mol H mol, 4 mol NH₃, 4 mol H₂O
</em>
<h3>Learn more
</h3>
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