Many metals react with halogens to give metal halides.For example, 2 Al (s) + 3 Cl₂(g) → 2 AlCl₃(s)
If you begin with 13.5 g of aluminum:

Question

Many metals react with halogens to give metal halides.For example, 2 Al (s)+ 3 Cl₂(g)→ 2 AlCl₃(s) If you begin with 13.5 g of aluminum:

Quizplus · Accepted Answer

The molar mass of Al is 26.98 g/mol, so 13.5 g of Al is 0.5 mol. According to the balanced equation, 0.5 mol of Al requires 0.75 mol of Cl2 (molar mass 70.9 g/mol), which is 53.2 g. The reaction produces 0.5 mol of AlCl3 (molar mass 133.33 g/mol), which is 66.7 g.

Many Metals React with Halogens to Give Metal Halides