Identify the conversion steps needed to calculate the formula units of aluminum oxide, Al2O3, formed by the following reaction if 7.2 x 1021 molecules of oxygen, O?, react. 4 Al (s) + 3 O? (g) ? 2 Al2O3 (s) molecules O? ? moles O? ? grams O? ? grams Al2O3 ? formula units Al?O3 moles O? ? molecules O? ? moles Al2O3 ? formula units Al2O3 molecules of O? ? moles of O? ? moles of Al3 ? molecules of Al2O3 molecules O? ? moles O? ? molecules Al2O3 ? molecules Al?O3

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Identify the conversion steps needed to calculate the formula units of aluminum oxide,

Al_{2} O_{3}

, formed by the following reaction if

7.2 \times 1 0^{21}

molecules of oxygen,

O_{2}

, react.

4 Al (s) + 3 O_{2} (g) ? 2 Al_{2} O_{3} (s)

molecules

O_{2} ?

moles

O_{2} ?

grams

O_{2} ?

grams

Al_{2} O_{3} ?

formula units

Al_{2} O_{3}

moles

O_{2} ?

molecules

O_{2} ?

moles

Al_{2} O_{3} ?

formula units

Al_{2} O_{3}

molecules of

O_{2} ?

moles of

O_{2} ?

moles of

Al_{2} O_{3} ?

molecules of

Al_{2} O_{3}

molecules

O_{2} ?

moles

O_{2} ?

molecules

Al_{2} O_{3} ?

molecules

Al_{2} O_{3}

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