3.) If 12.0 grams Ss reacted with 100. grams O2 in the unbalanced equation: _ Ss +_ O2 →_ SO3 Which reactant is limiting? Answer: 4.) 325 g of H20 is poured onto a 450. g block of sodium metal. The equation for this reaction is: Na + H20 – NaOH + H2 What is the limiting reactant? - -

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