Answer:
Sodium hydroxide.
Explanation:
Don't be confused by the fact that you have three reactants, you can find the limiting reagent by using the same technique you use for reactions that have two reactants.
for more info... use the link
https://socratic.org/questions/which-substance-is-the-limiting-reactant-when-2-0-g-of-sulfur-reacts-with-3-0-g-#171384
hope it helps and please give brainliest
ThAnK YoU