Calculate the mass of a molecule of carbon dioxide

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Calculate the mass of a molecule of carbon dioxide in gram

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Answer: 7.30\times 10^{-23}g gram

Explanation:

According to avogadro's law, 1 mole of every substance weighs equal to the molecular mass and contains avogadro's number 6.023\times 10^{23} of particles.

To calculate the moles, we use the equation:

\text{Number of moles}=\frac{\text{Given molecules}}{\text {Avogadro's number}}

\text{Number of moles}=\frac{1}{6.023\times 10^{23}}=0.17\times 10^{-23}moles  

Now 1 mole of CO_2 molecule weighs = 44 g

0.17\times 10^{-23}moles  moles of CO_2 molecule weighs = \frac{44}{1}\times 0.17\times 10^{-23}=7.30\times 10^{-23}g

Thus the mass of a molecule of carbon dioxide in gram is 7.30\times 10^{-23}g gram.


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