21zlippmann 21zlippmann

10-01-2020
Chemistry

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How many grams of aluminum chloride are produced when 6.73 g of aluminum react with an excess of chlorine gas?

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DrMantisToboggan DrMantisToboggan

10-01-2020

Answer:

33.3 g AlCl3

Explanation:

First:

You need a balanced chem equation.

2Al + 3Cl2 --->2AlCl3

So now you use this to set up train track method which helps us cancel out the units. Also we dont care about chlorine because it is excess.

6.73g Al x 1mol Al/26.98g Al x 2mol AlCl3/2molAl x 133.34g AlCl3/1molAlCl3

= 33.3 g AlCl3

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