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2. Atoms & Elements
Mole Concept
Problem
Calculate the number of oxygen atoms found in 783.9 g NiCl
2
• 6 H
2
O.
A
1.192 x 10
25
O atoms
B
2.314 x 10
25
O atoms
C
5.833 x 10
26
O atoms
D
8.849 x 10
26
O atoms
Next question
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