Q9. what is the mass of :
(a)0.2 mole of oxygen atoms?
(b)0.5 mole of water molecules?
Answers
Answered by
2
Answer:
Therefore, the mass of 0.2 moles of oxygen atom is 3.2 grams and the mass of0.5 moles of a water molecule is 9.0 grams.
Explanation:
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Answered by
3
Explanation:
a). One mole of atoms of oxygen has a mass of 16 g, as 16 is the atomic weight of oxygen, and contains 6.02 X 1023 atoms of oxygen.
=Therefore, the mass of 0.2 moles of oxygen atom is 3.2 grams
b).Mass of 0.5 mole of water is 9g.
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