Question

During a lab experiment, 26 mol of BaF2 are combined with 50 mol of NaNO3. BaF2 + 2NaNO3 → Ba(NO3)2 + 2NaF What is the limiting reactant? NaF NaF BaF2BaF2 Ba(NO3)2Ba(NO3)2 NaNO3

Answer 1

$NaNO_3$ is the limiting reactant when 26 mol of $BaF_2$ is combined with 50 mol of $NaNO_3$.

What is a limiting reagent?

The limiting reagent is the reactant that gets consumed first in a chemical reaction and therefore limits how much product can be formed.

$BaF_2 + 2NaNO_3$ → $Ba(NO_3)_2 + 2NaF$

Moles of $BaF_2$ = 26

Moles of 2$NaNO_3$ = 50

1 mole of  $BaF_2$  requires 2 moles of $NaNO_3$.

26 moles of $BaF_2$ require =2x 26 =52 moles of $NaNO_3$.

But only 50 moles of $NaNO_3$ are present.

Hence, $NaNO_3$ is the limiting reactant.

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