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17-04-2022
Chemistry

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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

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Аноним Аноним

17-04-2022

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

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