2 Na + Cl2 → 2 NaCl How many grams of Cl2 are needed to completely react with 46.5 grams of Na?
g of Cl2

Grams of Cl₂ needed : 71.781 g

Reaction

2 Na + Cl₂ → 2 NaCl

mass of Na = 46.5 g

mol of Na(Ar=23 g/mol) :

From equation, mol ratio of Na : Cl₂ = 2 : 1, so mol Cl₂ :

Mass of Cl₂(MW=71 g/mol) :

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