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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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
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
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.