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How many moles are in 1.78 x 10^23 molecules of CO₂? *

Sagot :

Answer:

[tex]0.30\text{ mol}[/tex]

Explanation:

Here, we want to get the number of moles in the given number of molecules

Mathematically, 1 mole of a substance has:

[tex]6.02\text{ }\times\text{ 10}^{23}\text{ molecules}[/tex]

The number of moles in the given number of molecules would be:

[tex]\begin{gathered} \frac{1.78\text{ }\times\text{ 10}^{23}\text{ molecules}}{1\text{ }}\text{ }\times\frac{1\text{ mole }}{6.02\text{ }\times\text{ 10}^{23}\text{ molecules}} \\ \\ =\text{ 0.30 mole} \end{gathered}[/tex]

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