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LoginCalculate number of oxygen atoms in 88 g of CO2. Also calculate mass of CO having same number of oxygen atoms.
General Awareness General QA 2 years ago
Number of moles of CO2 in 88 g of CO2
= Mass of CO2 / Molar mass of CO2
= 88 g / 44 g/mol = 2 mol CO2
Since one mole of CO2 contains two moles of oxygen atoms, two moles of CO2 contain four moles of oxygen atoms. Hence,
1 mole of oxygen atoms contains 6.023 ×1023 oxygen atoms.
4 moles of oxygen atoms contain 6.023 × 1023 × 4 atoms = 2.4092 × 1024 oxygen atoms.
Since 1 mole of oxygen atom is present in 1 mole of CO, 4 moles of oxygen atoms are present in 4 moles of CO.
Mass of 4 moles of CO = number of moles of CO x gram molecular mass of CO
= 4 × (12 + 16)
= 4 × 28
= 112g
Posted on 06 Oct 2022, this text provides information on General Awareness related to General QA. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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