AP Chemistrymediummcq1 pt
How many moles of oxygen atoms are in 1.00 mol of aluminum sulfate, Al₂(SO₄)₃?
A.12.0 mol
B.4.0 mol
C.3.0 mol
D.8.0 mol
Explanation
Core Concept
Each formula unit carries 3 sulfate groups × 4 O atoms = 12 oxygen atoms. One mole of formula units therefore contains 12 moles of oxygen atoms.
Correct Answer
A12.0 mol
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