Question
Asked Oct 21, 2019
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How many atoms of oxygen are contained in 47.6 g of Al2(CO3)3? The molar mass of
Al2(CO3)3 is 233.99 g/mol.
1.23 x 1023 O atoms
3.19 x 1024 O atoms
1.10 x 1024 O atoms
2.87 x 1025 O atoms
2.96 x 1024 O atoms
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How many atoms of oxygen are contained in 47.6 g of Al2(CO3)3? The molar mass of Al2(CO3)3 is 233.99 g/mol. 1.23 x 1023 O atoms 3.19 x 1024 O atoms 1.10 x 1024 O atoms 2.87 x 1025 O atoms 2.96 x 1024 O atoms

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Expert Answer

Step 1

Given data,

Mass of Al2(CO3)3 = 47.6 g

Molar mass of Al2(CO3)= 233.99 g/mol

Number of moles of Al2(CO3)can be calculated as:

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Mass Moles Molar mass 47.6g Moles 233.99g /mol Moles 0.2034 mol

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Step 2

Moles of Oxygen can be...

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1mol Al, (CO) contains 9mol oxygen 9mol oxygen mol Al, (CO) -x 0.203 molAl, (CO,) 0.203mol Al, (CO,), contains =1.827mol oxygen

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Inorganic Chemistry

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