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The number of oxygen atoms in 4.4 gm of CO2 is, (1) 6 x 1022 (2) 12 x 1023 (3) 1.2 x 1023 (4) 6 x 1023 |
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Answer» Correct option (1) 6 x 1022 Explanation: 44 g of CO2 contains 6.022 × 1023 CO2 molecules ∴4.4 g of CO2 contains 6.022 × 1022 CO2 molecules Each CO2 molecule contains two oxygen atoms ∴ 6.022 × 1022 CO2 molecules contain 1.2 × 1023 O atoms. |
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