How many grams of sodium chloride to form if 2.34 grams of chlorine gas react with sodium?

To determine the grams of sodium chloride (NaCl) formed from the reaction of chlorine gas (Cl₂) with sodium (Na), we first need to consider the balanced chemical equation: 2 Na + Cl₂ → 2 NaCl. From this equation, one mole of Cl₂ produces two moles of NaCl.

The molar mass of Cl₂ is approximately 70.9 g/mol, so 2.34 grams of Cl₂ is about 0.0331 moles. Since this produces double the moles of NaCl, we get 0.0662 moles of NaCl. The molar mass of NaCl is about 58.44 g/mol, so the mass of NaCl produced is approximately 3.87 grams.