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Selina
Chemistry
9 May, 23:46
How many oxygen atoms
in 4 Al 2 O 3
+3
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1
)
Sonia Martin
10 May, 00:08
0
The number of oxygen atoms that are in 4 Al₂O₃ are 12 atoms
Explanation
The subscript in a chemical formula indicate the number of atoms of element immediately before the subscript. coefficient is the number in front of the formula and tells us how many molecules of a given formula are present. Since 4Al₂O₃ has coefficient of 4 and the subscript of O is 3 the number of O atoms = 4 x 3=12 atoms
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