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q1..no.2 and 4 are aromatic
NO is the limiting reagent and 4.34 g is the amount of the excess reagent that remains after the reaction is complete
<h3>What is a limiting reagent?</h3>The reactant that is entirely used up in a reaction is called as limiting reagent.
The reaction:
→
Moles of nitrogen monoxide
Molecular weight: =30g/mol
Moles of hydrogen
Molecular weight: =30g/mol
Hydrogen gas is in excess.
NO is the limiting reagent.
The amount of the excess reagent remains after the reaction is complete.
(2.9 mol- 0.73 mol NO x
) x
4.34 g
Learn more about limiting reagents here:
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