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What percentage composition of Al2O3 is aluminum?

Anonymous

∙ 12y ago

Updated: 4/28/2022

Molar Mass of Al: 2(27.0g/mol) = 54.0g/mol

Molar Mass of O: 3(16.0g/mol) = 48.0g/mol

Molar Mass of compound: 102.0g.mol

(54.0g/mol / 102.0g/mol) x 100% = 52.9%

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∙ 12y ago

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What three types of information are needed on order to find an empirical formula from percentage composition data?

· Assume that you have 100.0 g sample of the compound · Calculate the amount of each element in the sample · Convert the mass composition of each element to a composition in moles by dividing by the appropriate molar mass

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Percentage is considered a singular noun: The percentage of unemployed citizens is usually about five percent.

How do you write 0.47 as a percentage?

To convert 0.47 to a percentage, you multiply it by 100. This gives you 47. Then, add the percentage sign (%) to express it as a percentage. Therefore, 0.47 as a percentage is 47%.

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Related Questions

What percentage of the lunar surface composition does aluminum represent?

The oxide Al2O3 is 24 % of the lunar surface.

What is the composition of ORS?

Bauxite: Aluminum oxide = Al2O3

What is the chemical composition of corundum?

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What is the scinecetific word for al2o3?

Al2O3 is aluminum oxide.

What is the percentage of aluminum in aluminum oxide (Al2O3)?

The formula for aluminum oxide is Al2O3: Molar mass =581.77g/mol Al2O3.In one mole Al2O3, there are two moles of Al3+ ions, therefore 2 moles Al3+ x 26.982g/mol Al3+ = 53.964g Al3+ in one mole of Al2O3.GIVEN: mass of Al3+ = 53.964 g Al3+;Molar mass of Al2O3 = 581.77 g Al2O3UNKNOWN: % Al3+EQUATION:% Al3+...=...g Al3+x 100...g Al2O3% Al3+...=...53.964g Al3+x100......=...9.2758% Al3+581.77g Al2O3

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the percentage composition of aluminum sulfate is 342

Is aluminum oxide (Al2O3) paramagnetic or diamagnetic?

Aluminum oxide (Al2O3) is diamagnetic.

What is the chemical formulae of aluminum oxide?

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

What is the correct formula for aluminum oxide?

The chemical formula for aluminum oxide is Al2O3.

What is the chemical formula for aluminum oxide when heated?

Aluminum oxide is Al2O3 and when heated it is still Al2O3, so heating aluminum oxide does nothing to it.

What compound is formed when aluminum and oxygen combine?

Aluminum oxide is formed when aluminum and oxygen combine. This compound has the chemical formula Al2O3.

Compound name for Al2O3?

This is an ionic compound with the name aluminum oxide.

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