Class 9 Exam > Class 9 Questions > One mole of CO2contains :a)1 gram atom of car...
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One mole of CO2 contains :
- a)1 gram atom of carbon
- b)2 gram atoms of oxygen
- c)3 gram atoms of carbon and oxygen
- d)All of the above
Correct answer is option 'D'. Can you explain this answer?
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One mole of CO2contains :a)1 gram atom of carbonb)2 gram atoms of oxyg...
Explanation:
- One mole of CO2 contains:
- A: 1 gram atom of carbon: This is because the molar mass of carbon is 12 grams/mol, and since there is only 1 carbon atom in CO2, one mole of CO2 will contain 1 gram atom of carbon.
- B: 2 gram atoms of oxygen: This is because the molar mass of oxygen is 16 grams/mol, and since there are 2 oxygen atoms in CO2, one mole of CO2 will contain 2 gram atoms of oxygen.
- C: 3 gram atoms of carbon and oxygen: This is the sum of the gram atoms of carbon and oxygen mentioned above, which is 1 gram atom of carbon + 2 gram atoms of oxygen = 3 gram atoms of carbon and oxygen.
- D: All of the above: This is the correct answer because all the statements A, B, and C are true.
- Therefore, one mole of CO2 contains 1 gram atom of carbon, 2 gram atoms of oxygen, and 3 gram atoms of carbon and oxygen.
- One mole of CO2 contains:
- A: 1 gram atom of carbon: This is because the molar mass of carbon is 12 grams/mol, and since there is only 1 carbon atom in CO2, one mole of CO2 will contain 1 gram atom of carbon.
- B: 2 gram atoms of oxygen: This is because the molar mass of oxygen is 16 grams/mol, and since there are 2 oxygen atoms in CO2, one mole of CO2 will contain 2 gram atoms of oxygen.
- C: 3 gram atoms of carbon and oxygen: This is the sum of the gram atoms of carbon and oxygen mentioned above, which is 1 gram atom of carbon + 2 gram atoms of oxygen = 3 gram atoms of carbon and oxygen.
- D: All of the above: This is the correct answer because all the statements A, B, and C are true.
- Therefore, one mole of CO2 contains 1 gram atom of carbon, 2 gram atoms of oxygen, and 3 gram atoms of carbon and oxygen.
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One mole of CO2contains :a)1 gram atom of carbonb)2 gram atoms of oxyg...
Composition of One Mole of CO2
One mole of CO2 contains:
- 1 gram atom of carbon: In one mole of CO2, there is one mole of carbon atoms, which is equivalent to the atomic mass of carbon (12 grams).
- 2 gram atoms of oxygen: In one mole of CO2, there are two moles of oxygen atoms, which is equivalent to the atomic mass of oxygen (16 grams per mole).
- 3 gram atoms of carbon and oxygen: Combining the above points, one mole of CO2 contains a total of 3 gram atoms, 1 from carbon and 2 from oxygen.
Therefore, the correct answer is all of the above (option D) as one mole of CO2 consists of 1 gram atom of carbon, 2 gram atoms of oxygen, and a total of 3 gram atoms of carbon and oxygen combined.
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One mole of CO2contains :a)1 gram atom of carbonb)2 gram atoms of oxygenc)3 gram atoms of carbon and oxygend)All of the aboveCorrect answer is option 'D'. Can you explain this answer?
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