The mass of one molecule of carbon dioxide is

Asked by admin @ 16/08/2021 in Chemistry viewed by 305 People

Calculate the mass of a molecule of carbon dioxide in gram

Answered by admin @ 16/08/2021

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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