Question

9. What is the mass of:
(a) 0.2 mole of oxygen atoms?
(b) 0.5 mole of water molecules?
1
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Answer 1

Explanation:

one mile of oxygen atom=16g

0.2= 0.2×16

=3.2g

one mile of water molecules=18 g

0.5=0.5×18

=9g

Answer 2

Explanation:

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