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Andreyy89
3 years ago
15

help me on the bottom pleaseeeeeeee also please check the top BUT I NEED HELP OM THE BOTTOM TAJNKSKSKSLSLSLALS GOOODD BLESSS UUU

Chemistry
1 answer:
Yanka [14]3 years ago
3 0
Because when you take the sand out it doesn't stay the same shape
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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?
sergejj [24]

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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Count the total number of atoms in the chemical formula 5H2O2
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20 atoms

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Then, multiply by 5 because the coefficient is 5, therefore there are 5 H2O2 molecules.

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