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If 18.40 L of chlorine gas at STP reacts with aluminum metal, how many grams of aluminum chloride are produced? equation: 3Cl2+2Al-->2AlCl3

If 18.40 L of chlorine gas at STP reacts with aluminum metal, how many grams of aluminum chloride are produced? equation: 3Cl2+2Al-->2AlCl3
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If 18.40 L of chlorine gas at STP reacts with aluminum metal, how many grams of aluminum chloride are produced?

equation: 3Cl2+2Al-->2AlCl3

asked
User Blacktiger
by
8.7k points

1 Answer

12 votes

At STP 1mol of gas weighs 22.4L

Moles of chlorine

  • 18.40/22.4
  • 0.8mol

Now

  • 3mols of chlorine produces 2 mol AlCl_3
  • 1 mol of chlorine produces 0.6mol AlCl_2

Moles of AlCl_3

  • 0.8(0.6)
  • 0.5mol

Mass of AlCl_3

  • 0.5(133)
  • 6.5g
answered
User Gordak
by
8.9k points
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