Chemistry
Grade-9
Easy
Question
How many moles of Oxygen are present in 88gms of Carbon dioxide?
- 4
- 5
- 6
- 8
Hint:
One mole of carbon dioxide has 2 moles of oxygen.
The correct answer is: 4
One mole of carbon dioxide has 2 moles of oxygen.
Molecular weight of carbon dioxide is 44g. Number of moles of carbon dioxide in 88gms is 2.
For 2 moles of carbon dioxide it has 4 moles of oxygen.
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