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What does 3 mean in Al2o3?

Updated: 10/18/2022
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11y ago

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There are 3 oxygens

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11y ago
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Q: What does 3 mean in Al2o3?
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What does Al2O3 plus H2SO4 yield?

Al2O3 + H2SO4 = Al2(SO4)3 + H2O


What is the chemical formulae of aluminum oxide?

We know that Al2O3 is the chemical formula for aluminum oxide.


An ionic compound is made entirely of aluminum and oxygen what is the formula for this compound?

Al+3 O-2 ---------> these are the ions with their chargesAl2O3 -------------> this is when they are bonded together Al2O3


What is balanced equation of AL2o3 plus HCL?

This equation is Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O.


What is the oxidation number for Al2O3?

+3 for Al and -2 for O is the oxidation number for Al2O3.


In the compound Al2O3 aluminum has an oxidation number of 3 while oxygen's oxidation number is .?

In the compound Al2O3, aluminium has an oxidation number of +3, while oxygen's oxidation number is __-2 ____. For aluminium oxide (Al2O3) to form the ionic charges MUST balance. Hence For the 2 aluminiums it is 2 x 3 = +6 For the 3 oxygens it is 3 X -2 = -6 +6 -6 = 0 So the charges balance, hence Al2O3 is neutrally charged compound and NOT an ion.


What is oxygen and aluminum formula?

No, it is Aluminium(III) oxide, not dioxide:2 Al + 3 O2 ----> 2 Al2O3


What happens when aluminium and oxygen combine?

A passive aluminum oxide layer will form on the surface of the aluminum, when it is in the presence of Oxygen (Al2O3). This then goes on to protect the rest of the aluminum from further oxidisation as the layer will remain in place, bonded to the aluminum.


Al2O3 plus HBr AlBr3 plus H2O?

Al2O3 + 6HBr = 2Albr3 + 3H2O


What is the scinecetific word for al2o3?

Al2O3 is aluminum oxide.


Calculate the number of moles in 6.80g of Al2O3?

3.66x10^-3 g mol


What is the equation for aluminum hydroxide and water?

2Al(OH)3 ==> Al2O3 + 3HOH =)