Question

how many carbon atoms are in carbon dioxide?​

Answer 1

There are one atom of carbon that is present in Carbon-dioxide.

Carbon-dioxide = CO2

Here carbon atoms = 1

And the number of atoms of Oxygen = 2

And the total number of atoms = 3

Here the molar mass of Carbon dioxide :

Atomic Mass of carbon = 1

Atomic Mass of Oxygen = 16

And there are two atoms of Oxygen so , the molar mass of carbon dioxide :

1+2×16 = 33 u.

Answer 2

There is only one carbon atom in carbon dioxide.

$CO_{2} = C_{1} \: + \: O_{2}$

So, carbon dioxide is combined with one atom of carbon and two atoms of oxygen.

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