In which mixture of 0.10 mol NaOH + 0.10 mol [tex]H_2SO_4[/tex], NaOH is the limiting reactant. Hence option B is correct.
What is a limiting reagent?
The limiting reagent is the reactant that is completely used up in a reaction, and thus determines when the reaction stops.
Reaction
[tex]2NaOH + H_2SO_4[/tex] → [tex]Na_2SO_4 + 2H_2O[/tex]
For one mole of [tex]H_2SO_4[/tex] we need two moles of NaOH.
Option A: equivalent quantities
Option B: NaOH is limiting rectant.
[tex]NaOH + HNO_3[/tex] → [tex]NaNO_3+ H_2O[/tex]
For one mole of [tex]HNO_3[/tex] we need one mole of NaOH.
Option C: NaOH in excess
Option D: equivalent quantities
In which mixture of 0.10 mol NaOH + 0.10 mol [tex]H_2SO_4[/tex], NaOH is the limiting reactant. Hence option B is correct.
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